2ASBR-XZ-WSD02Smart Brightness Thermometer

Product Manual Smart Brightness Thermometer (BLE Version) Switch/Reset Button Screen Display Vent Bracket Viscose Zone Product Description Maintenance Maintenance Avoid washing with water when cleaning the product, and avoid scrubbing with pH-based detergents. Soft magnetic sticker×1 Preparation for use Connect your phone to WIFI Smart phone Make sure that the product is within the effective coverage of the smart phone (or Bluetooth gateway) network to ensure an effective connection between the product and the smart phone (or Bluetooth gateway) network. Download and open the APP Search for “Smart Life” in the App store or scan the QR code in the manual to download and install the App. Press the “Register” button to register an account if this is your first time use; if you already have an account, press the “Login” button. Scan the QR code to download “Smart Life” App Switch/Reset Button Network Access SettingNetwork Access SettingFunction Setting Magnetic Mode Gateway Connection After successfully installing the battery on the device, and ensure that the mobile phone is connected to the network and the smart gateway has been successfully added; Open the “Smart Life” App, on the "Smart Gateway" page, click the "Add Sub Device" button; Select " Temperature and Humidity Sensor" in the Device Type list; After adding successfully, you can find the device in the "My Home" list. Long press the reset button for more than 5 seconds, the device restarts and enters the network configuration state; Product Specifications Smart Brightness Thermometer (BLE Version) Product Name Wireless Protocol Temperature Measurement Range0~50°C Humidity Measurement Range Bluetooth Battery Model Temperature Accuracy Humidity Accuracy Light Detection Range Light Perception Accuracy ±0.3 0%—99RH% ±3RH% 0-999lux 0.01lux Product Size66×66×11mm Screen Size45×45mm 45.0g CR2032 button battery Packing list Thermo-hygrometer×1 User manual×1 Wall sticker×1 Product Weight Switch Temperature Unit The smart brightness thermometer senses the changes in the ambient light, temperature, and humidity in real time, and can actively report to the user end. At the same time, it combines with other products to realize diversified smart home application scenarios. Switch/Reset Button After successfully adding, you can find the device in the "My Home" list. Long press the reset button for more than 5 seconds, the device restarts and enters the network configuration state; Illumination linkage suggestion: After the product is installed in a fixed position, the actual detection value is the detection environment value. For example, if the light is suitable for the environment and 100 lux is detected, then when the illuminance is lower than 100 lux, the light needs to be turned on, and the product trigger condition can be set to be lower than 100 lux or 80 lux, turn on the light in linkage. Temperature linkage suggestion: If the ambient temperature is higher than 30 , turn on the air conditioner for cooling. Humidity linkage suggestion: if the ambient humidity is higher than 80%, linkage open the dehumidifier. Application Note 1 This product is intended for general consumption scenarios, please pay attention to the application scenarios of the product; 2 The illuminance is restricted by the installation environment, position and angle. The brightness value detected after the product is fixedly installed is the detection value of the current position. The light sensor hole on the front of the product is close to the true value when it faces the light source vertically; 3 The illumination deviation fluctuates greatly, and there will be a fluctuation deviation of about 10%; 4 Make sure that the ink screen is working within the specified temperature range. If it exceeds the working temperature range, it may work abnormally. Please place it in a normal environment as soon as possible. Check the test data value after 10 minutes; 5 When low battery occurs, please replace the battery in time; 6 The ventilation holes of the product should not be immersed in water; Battery power on and replacement Battery power-on: Open the body support, pull out the isolation sheet to power on. Battery replacement: When the low battery icon appears on the screen, the battery power is too low, please replace the battery in time. At this time, you need to open the body support, pry open the battery cover, and buckle the product upside down. Put the CR2032 battery into the battery compartment with the negative electrode facing down, and then press firmly against the buckle to close the back cover. Light-sensing Hole Soft Magnetic Sticker Magnetically attractable objects such as refrigerators 45° The temperature unit displayed on the screen of the smart brightness thermometer can be switched between Celsius and Fahrenheit . On the device side, short press the button to switch the temperature unit between Celsius and Fahrenheit . On the APP side, you need to switch temperature unit at “Me” Page in the smart APP. Wall Sticker Wall Wall-mounted Mode The smart brightness thermometer can be used with wall stickers and used on the wall. Take out the wall sticker in the package, stick the wall sticker on the selected location, and then attach the smart brightness thermometer. Adhesive use reminder: You need to choose a place where the wall is clean and dry, and the surface is flat; after it is pasted, press it with your hand for a while to ensure that it is firmly pasted. The smart brightness thermometer can be used on the desktop. Open the back cover halfway (at a 45° angle with the body), then the smart brightness thermometer can be stably placed on the desktop. Table Place Mode The smart brightness thermometer can be combined with soft magnetic stickers to be attached to the surface of magnetically attractable objects such as refrigerators. Stick the soft magnetic sticker on the back area of the product, and attach the product to the surface of a magnetically attractable obj…

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Hangzhou Xizhi Electronics Co., Ltd. Agent Authorization Company: Hangzhou Xizhi Electronics Co., Ltd. Address: The second floor, Building 3, No. 8 Yuyang Road, Lushan Subdistrict, Fuyang, Hangzhou, Zhejiang China Product Name: Smart Brightness Thermometer Trade Mark: , , Model Number(s): XZ-WSD02, L-WSD01 FCC ID: 2ASBR-XZ-WSD02 We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature: Date: 2021-02-01 Name: Nanfang Yang Title: Manager Company: Hangzhou Xizhi Electronics Co., Ltd.

Date: 2021-02-01 To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Operational Description In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuant to KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Title: Hangzhou Xizhi Electronics Co., Ltd. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Subject; Request for Confidentiality FCC ID: 2ASBR-XZ-WSD02 Nanfang Yang Manager

Hangzhou Xizhi Electronics Co., Ltd. Add: The second floor, Building 3, No. 8 Yuyang Road, Lushan Subdistrict, Fuyang, Hangzhou, Zhejiang China Tel: +86-0755-23955200 Fax: +86-0755-23955201 Date: 2021-02-01 Dear Sir/Madam, We, Hangzhou Xizhi Electronics Co., Ltd. Hereby declares the following statement , PCB board, circuit, structure and internal of these model(s) are the same, Only model number is different for marketing purpose: Product name: Smart Brightness Thermometer Models No.: XZ-WSD02, L-WSD01 Sincerely, Client’s name / title : Nanfang Yang / Manager Contact information / address: The second floor, Building 3, No. 8 Yuyang Road, Lushan Subdistrict, Fuyang, Hangzhou, Zhejiang China Tel: +86-0755-23955200 Fax: +86-0755-23955201 E-Mail: [email protected]

SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 1. EXTERIOR PHOTOGRAPHS Fig. 1 Fig. 2 SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 Fig. 3 Fig. 4 SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 Fig. 5 Fig. 6

SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 _____________________________________________________________________________________________________ This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd.. Page 1 of 1 LABEL AND LOCATION (Size: L5.0cm x 3.0cm) Material: Tagboard Glue: adhesive sticker Font color: White Label color: Black Label Location Smart Brightness Thermometer Model No.: XZ-WSD02 FCC ID: 2ASBR-XZ-WSD02

SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 1. INTERIOR PHOTOGRAPHS Fig. 1 Fig. 2 Antenna battery position SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 Fig. 3 Fig. 4 SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 Fig. 5

SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 ________________________________________________________________________ ___ This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 1 of 3 FCC RF Exposure Evaluation 1. Product Information FCC ID : 2ASBR-XZ-WSD02 Product name : Smart Brightness Thermometer Test Model : XZ-WSD02 Additional Model No : L-WSD01 Model Declaration : PCB board, structure and internal of these model(s) are the same, So no additional models were tested Power Supply : Battery: DC 3V Hardware Version : V1.0 Software Version : V1.3 Bluetooth : 2402-2480MHz Channel Number : 40 channels for Bluetooth V5.0 (BT LE/ BT 2LE) Channel Spacing : 2MHz for Bluetooth V5.0(BT LE/ BT 2LE) Modulation Type : GFSK for Bluetooth V5.0 (BT LE/ BT 2LE) Bluetooth Version : V5.0 Antenna Type : PCB Antenna Antenna Gain : 2.5dBi Exposure category : General population/uncontrolled environment EUT Type : Production Unit Device Type : Portable Device 2. Evaluation method and Limit According to KDB447498 D01 General RF Exposure Guidance v06 Section 4.3.1 Standalone SAR test exclusion considerations: “Unless specifically required by the published RF exposure KDB procedures, standalone 1-g head or body and 10-g extremity SAR evaluation for general population exposure conditions, by measurement or numerical simulation, is not required when the corresponding SAR Test Exclusion Threshold condition, listed below, is satisfied. These test exclusion conditions are based on source-based time-averaged maximum conducted output power of the RF channel requiring evaluation, adjusted for tune-up tolerance, and the minimum test separation distance required for the exposure conditions.22 The minimum test separation distance is determined by the smallest distance from the antenna and radiating structures or outer surface of the device, according to the host form factor, exposure conditions and platform requirements, to any part of the body or extremity of a user or bystander (see 5) of section 4.1). To qualify for SAR test exclusion, the test separation distances applied must be fully explained and justified by the operating configurations and exposure conditions of the transmitter and applicable host platform requirements, typically in the SAR measurement or SAR analysis report, according to the required published RF exposure KDB procedures. When no other RF exposure testing or reporting is required, a statement of justification and compliance must be included in the equipment approval, in lieu of the SAR report, to qualify for the SAR test exclusion. When required, the device specific conditions described in the other published RF exposure KDB procedures must be satisfied before applying these SAR test exclusion provisions; for example, handheld PTT two-way radios, handsets, laptops & tablets etc.“ [(max. power of channel, including tune-up tolerance, mW)/ (min. test separation distance, mm)+ · *√f (GHz)+ ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR, where: • f (GHz) is the RF channel transmit frequency in GHz • Power and distance are rounded to the nearest mW and mm before calculation • The result is rounded to one decimal place for comparison SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 ________________________________________________________________________ ___ This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 2 of 3 • 3.0 and 7.5 are referred to as the numeric thresholds in the step 2 below The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm and for transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5 mm, a distance of 5 mm according to f) in section 4.1 is applied to determine SAR test exclusion. When one of the following test exclusion conditions is satisfied for all combinations of simultaneous transmission configurations, further equipment approval is not required to incorporate transmitter modules in host devices that operate in the mixed mobile and portable host platform exposure conditions. The grantee is responsible for documenting this according to Class I permissive change requirements. Antennas that qualify for standalone SAR test exclusion must apply the estimated standalone SAR to determine simultaneous transmission test exclusion. a) The [∑ of (the highest measured or estimated SAR for each standalone antenna configuration, adjusted for maximum tune-up tolerance) / 1.6 W/kg] + [∑ of MPE ratios] is ≤ 1.0. b)The SAR to peak location separation ratios of all simultaneously transmitting antenna pairs operating in portable device exposure conditions are all ≤ 0.04, and the [∑ of MPE ratios] is ≤ 1.0. 3. Refer Evaluation Method ANSI C95.1–1999: IEEE Standard for Safety Levels with Respect to Human Exposure to Radio Frequency Electromagnetic Fields, 3 kHz to 300 GHz. FCC KDB publication 447498 D01 General RF Exposure Guidance v06: Mobile and Portable Devices RF Exposure Procedures and Equipment Authorization Policies. FCC CFR 47 part1 1.1310: Radiofrequency radiation exposure limits. FCC CFR 47 part2 2.1093: Radiofrequency radiation exposure evaluation: portable devices 4. Conducted Power Results <BT LE> Mode Channel Frequency (MHz) Peak Conducted Output Power (dBm) GFSK 0 2402 7.510 19 2440 7.690 39 2480 7.419 <BT 2LE> Mode Channel Frequency (MHz) Peak Conducted Output Power (dBm) GFSK 0 2402 7.770 19 2440 7.732 39 2480 7.440 SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 ________________________________________________________________________ ___ This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 3 of 3 5. Manufacturing Tolerance <BT LE> GFSK (Peak) Channel Channel 0 Channel 19 Channe…

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SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 Report No.: LCS201228192AEB Page 1 of 14 Appendix A RF Test Data for BT V5.0(DTS) (Conducted Measurement) Product Name: Smart Brightness Thermometer Trade Mark: , , Test Model: XZ-WSD02 Environmental Conditions Temperature: 24.6  C Relative Humidity: 54.1% ATM Pressure: 100.0 kPa Test Engineer: Ben Jin Supervised by: Li Huan A.1 Duty Cycle Test Mode Test Channel Ant Duty Cycle[%] Verdict BT LE 2440 Ant1 100 PASS #im grbble1hchnnav SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 Report No.: LCS201228192AEB Page 2 of 14 A.2 Maximum Conducted Peak Output Power Mode Channel Conduct Peak Power[dBm] Limit [dBm] Verdict BT LE LCH 7.51 30 PASS BT LE MCH 7.69 30 PASS BT LE HCH 7.419 30 PASS Test Graphs LCH MCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 Report No.: LCS201228192AEB Page 3 of 14 HCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 Report No.: LCS201228192AEB Page 4 of 14 A.3 Maximum Power Spectral Density Mode Channel PSD [dBm/3KHz] Limit [dBm/3KHz] Verdict BT LE LCH -5.167 8 PASS BT LE MCH -4.501 8 PASS BT LE HCH -5.600 8 PASS Test Graphs LCH MCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 Report No.: LCS201228192AEB Page 5 of 14 HCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 Report No.: LCS201228192AEB Page 6 of 14 A.4 6dB Bandwidth Mode Channel 6dB Bandwidth [MHz] Limit [MHz] Verdict BT LE LCH 0.6714 ≥0.5 PASS BT LE MCH 0.6952 ≥0.5 PASS BT LE HCH 0.6809 ≥0.5 PASS Test Graphs LCH MCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 Report No.: LCS201228192AEB Page 7 of 14 HCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 Report No.: LCS201228192AEB Page 8 of 14 A.5 RF Conducted Spurious Emissions Mode Channel Pref [dBm] Max. Level [dBm] Limit [dBm] Verdict BT LE LCH 7.211 -37.365 -12.789 PASS BT LE MCH 7.159 -37.418 -12.841 PASS BT LE HCH 7.136 -37.352 -12.864 PASS BT LE_LCH_Graphs Pref/BT LE/LCH Puw/BT LE/LCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 Report No.: LCS201228192AEB Page 9 of 14 BT LE_MCH_Graphs Pref/BT LE/MCH Puw/BT LE/MCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 Report No.: LCS201228192AEB Page 10 of 14 BT LE_HCH_Graphs Pref/BT LE/HCH Puw/BT LE/HCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 Report No.: LCS201228192AEB Page 11 of 14 A.6 Band-edge for RF Conducted Emissions Mode Channel Carrier Power[dBm] Max.Spurious Level [dBm] Limit [dBm] Verdict BT LE LCH 6.381 -49.734 -13.62 PASS BT LE HCH 6.844 -48.680 -13.16 PASS Test Graphs LCH HCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 Report No.: LCS201228192AEB Page 12 of 14 A.7 Restrict-band band-edge measurements Test Mode Test Chann el Ant Freq. Power [dBm] Gain Ground Factor E [dBuV/m] Detector Limit [dBuV/ m] Verdi ct BT LE 2402 Ant1 2310.0 -44.05 2.0 0 51.21 PEAK 74 PASS Ant1 2310.0 -53.38 2.0 0 41.88 AV 54 PASS Ant1 2390.0 -42.42 2.0 0 52.83 PEAK 74 PASS Ant1 2390.0 -53.03 2.0 0 42.23 AV 54 PASS 2480 Ant1 2483.5 -40.13 2.0 0 55.13 PEAK 74 PASS Ant1 2483.5 -50.83 2.0 0 44.43 AV 54 PASS Ant1 2500.0 -42.61 2.0 0 52.65 PEAK 74 PASS Ant1 2500.0 -52.30 2.0 0 42.96 AV 54 PASS SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 Report No.: LCS201228192AEB Page 13 of 14 Restrict-band band-edge measurements_BT LE_2402_Ant1_PEAK Restrict-band band-edge measurements_BT LE_2402_Ant1_AV SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 Report No.: LCS201228192AEB Page 14 of 14 Restrict-band band-edge measurements_BT LE_2480_Ant1_PEAK Restrict-band band-edge measurements_BT LE_2480_Ant1_AV

SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 Report No.: LCS201228192AEB Page 1 of 14 Appendix B RF Test Data for BT V5.0(DTS) (Conducted Measurement) Product Name: Smart Brightness Thermometer Trade Mark: , , Test Model: XZ-WSD02 Environmental Conditions Temperature: 24.6  C Relative Humidity: 54.1% ATM Pressure: 100.0 kPa Test Engineer: Ben Jin Supervised by: Li Huan B.1 Duty Cycle Test Mode Test Channel Ant Duty Cycle[%] Verdict BT 2LE 2440 Ant1 100 PASS #im grbble1hchnnav SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 Report No.: LCS201228192AEB Page 2 of 14 B.2 Maximum Conducted Peak Output Power Mode Channel Conduct Peak Power[dBm] Limit [dBm] Verdict BT LE LCH 7.77 30 PASS BT LE MCH 7.732 30 PASS BT LE HCH 7.44 30 PASS Test Graphs LCH MCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 Report No.: LCS201228192AEB Page 3 of 14 HCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 Report No.: LCS201228192AEB Page 4 of 14 B.3 Maximum Power Spectral Density Mode Channel PSD [dBm/3KHz] Limit [dBm/3KHz] Verdict BT LE LCH -7.654 8 PASS BT LE MCH -8.131 8 PASS BT LE HCH -8.045 8 PASS Test Graphs LCH MCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 Report No.: LCS201228192AEB Page 5 of 14 HCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 Report No.: LCS201228192AEB Page 6 of 14 B.4 6dB Bandwidth Mode Channel 6dB Bandwidth [MHz] Limit [MHz] Verdict BT LE LCH 1.385 ≥0.5 PASS BT LE MCH 1.449 ≥0.5 PASS BT LE HCH 1.356 ≥0.5 PASS Test Graphs LCH MCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 Report No.: LCS201228192AEB Page 7 of 14 HCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 Report No.: LCS201228192AEB Page 8 of 14 B.5 RF Conducted Spurious Emissions Mode Channel Pref [dBm] Max. Level [dBm] Limit [dBm] Verdict BT LE LCH 5.954 -36.914 -14.046 PASS BT LE MCH 5.688 -37.368 -14.312 PASS BT LE HCH 5.801 -37.088 -14.199 PASS BT LE_LCH_Graphs Pref/BT LE/LCH Puw/BT LE/LCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 Report No.: LCS201228192AEB Page 9 of 14 BT LE_MCH_Graphs Pref/BT LE/MCH Puw/BT LE/MCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 Report No.: LCS201228192AEB Page 10 of 14 BT LE_HCH_Graphs Pref/BT LE/HCH Puw/BT LE/HCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 Report No.: LCS201228192AEB Page 11 of 14 B.6 Band-edge for RF Conducted Emissions Mode Channel Carrier Power[dBm] Max.Spurious Level [dBm] Limit [dBm] Verdict BT LE LCH 5.659 -50.022 -14.34 PASS BT LE HCH 6.006 -48.104 -13.99 PASS Test Graphs LCH HCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 Report No.: LCS201228192AEB Page 12 of 14 B.7 Restrict-band band-edge measurements Test Mode Test Chann el Ant Freq. Power [dBm] Gain Ground Factor E [dBuV/m] Detector Limit [dBuV/ m] Verdi ct BT LE 2402 Ant1 2310.0 -43.35 2.0 0 51.91 PEAK 74 PASS Ant1 2310.0 -53.67 2.0 0 41.59 AV 54 PASS Ant1 2390.0 -42.48 2.0 0 52.78 PEAK 74 PASS Ant1 2390.0 -52.96 2.0 0 42.29 AV 54 PASS 2480 Ant1 2483.5 -36.25 2.0 0 59.00 PEAK 74 PASS Ant1 2483.5 -44.80 2.0 0 50.46 AV 54 PASS Ant1 2500.0 -42.70 2.0 0 52.56 PEAK 74 PASS Ant1 2500.0 -52.44 2.0 0 42.82 AV 54 PASS SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 Report No.: LCS201228192AEB Page 13 of 14 Restrict-band band-edge measurements_BT LE_2402_Ant1_PEAK Restrict-band band-edge measurements_BT LE_2402_Ant1_AV SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 Report No.: LCS201228192AEB Page 14 of 14 Restrict-band band-edge measurements_BT LE_2480_Ant1_PEAK Restrict-band band-edge measurements_BT LE_2480_Ant1_AV

SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 Report No.: LCS201228192AEA This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 1 of 32 FCC TEST REPORT For Hangzhou Xizhi Electronics Co., Ltd. Smart Brightness Thermometer Test Model: XZ-WSD02 Additional Model No.: Please Refer to Page 6 Prepared for : Hangzhou Xizhi Electronics Co., Ltd. Address : The second floor, Building 3, No. 8 Yuyang Road, Lushan Subdistrict, Fuyang, Hangzhou, Zhejiang China Prepared by : Shenzhen LCS Compliance Testing Laboratory Ltd. Address : 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Shajing Street, Baoan District, Shenzhen, China Tel : (+86)755-82591330 Fax : (+86)755-82591332 Web : www.LCS-cert.com Mail : [email protected] Date of receipt of test sample : January 14, 2021 Number of tested samples : 2 Sample No. : 201228192A-1, 201228192A-2 Serial number : Prototype Date of Test : January 14, 2021 ~ January 30, 2021 Date of Report : January 30, 2021 SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 Report No.: LCS201228192AEA This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 2 of 32 FCC TEST REPORT FCC CFR 47 PART 15 C (15.247) Report Reference No. ................. : LCS201228192AEA Date of Issue ................................... : January 30, 2021 Testing Laboratory Name ............. : Shenzhen LCS Compliance Testing Laboratory Ltd. Address ........................................... : 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Shajing Street, Baoan District, Shenzhen, China Testing Location/ Procedure ........... : Full application of Harmonised standards ■ Partial application of Harmonised standards □ Other standard testing method □ Applicant’s Name .......................... : Hangzhou Xizhi Electronics Co., Ltd. Address ........................................... : The second floor, Building 3, No. 8 Yuyang Road, Lushan Subdistrict, Fuyang, Hangzhou, Zhejiang China Test Specification Standard .......................................... : FCC CFR 47 PART 15 C (15.247) Test Report Form No. ................... : LCSEMC-1.0 TRF Originator ................................ : Shenzhen LCS Compliance Testing Laboratory Ltd. Master TRF ..................................... : Dated 2011-03 Shenzhen LCS Compliance Testing Laboratory Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen LCS Compliance Testing Laboratory Ltd. is acknowledged as copyright owner and source of the material. Shenzhen LCS Compliance Testing Laboratory Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. EUT Description. ........................... : Smart Brightness Thermometer Trade Mark .......................................................................................................................................... : , , Model/ Type reference ........................................................................................................................ : XZ-WSD02 Ratings ................................................................................................................................................ : Battery: DC 3V Result ............................................ : Positive Compiled by: Supervised by: Approved by: Cherry Chen/ Administrator Jin Wang/ Technique principal Gavin Liang/ Manager SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 Report No.: LCS201228192AEA This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 3 of 32 FCC -- TEST REPORT Test Result Positive The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Test Report No. : LCS201228192AEA January 30, 2021 Date of issue Test Model.............................. : XZ-WSD02 EUT......................................... : Smart Brightness Thermometer Applicant............................... : Hangzhou Xizhi Electronics Co., Ltd. Address................................... : The second floor, Building 3, No. 8 Yuyang Road, Lushan Subdistrict, Fuyang, Hangzhou, Zhejiang China Telephone............................... : / Fax.......................................... : / Manufacturer......................... : Hangzhou Xizhi Electronics Co., Ltd. Address................................... : The second floor, Building 3, No. 8 Yuyang Road, Lushan Subdistrict, Fuyang, Hangzhou, Zhejiang China Telephone............................... : / Fax.......................................... : / Factory................................... : Hangzhou Xizhi Electronics Co., Ltd. Address................................... : The second floor, Building 3, No. 8 Yuyang Road, Lushan Subdistrict, Fuyang, Hangzhou, Zhejiang China Telephone............................... : / Fax.......................................... : / SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 Report No.: LCS201228192AEA This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 4 of 32 Revision History Revision Issue Date Revisions Revised By 000 January 30, 2021 Initial Issue Gavin Liang SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2ASBR-XZ-WSD02 Report No.: LCS201228192AEA This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 5 of 3…

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