X4YHAES300Smart Switch

Step.8 Step D:Give a name to the switch and tap”Done”. you will find the device you’ve named is shown on the app homepage. Tap the device to enter the setting page. Note: The name you give to the device will be the name for voice control on Amazon Alexa or Google Home later. For example, the device is named”Switch” in this user guide. Done Share witch Family Switch Add Device 1 Step.7 SmartLife-506D Connected Back 2 Done Share witch Family Switch Step.6 WLAN Install the “Smart Life”APP Step A .Find out “Smart Life”app in Apple app store, Google Play, or scan the QR code bellow and install it. The free app”Smart Life” is compatible with mobile devices the support IOS8.0 above, Android 4.4 above Step B .Enter the register interface, input the email address/phone number for getting the verification code to register an account. Please just login if you already have a Smart Life account. Step C:Add the switch to Smart Life APP Note: This smart switch can only support 2.4G network and cannot work with 5.0G network. please check if your home network is 2.4G and make sure that your phone has been connected to your WI-FI home network (1)Tap”+” button on top right corner to add device, the tap”Wall switch” to enter next page. 1 3 10 S m art Sw itch Notes Before Installation 1. Wi-Fi Only support a 2.4GHz network (802.11 b/g/n) 2.Neutral wire Required. 3.basic electrical wiring knowledge or experience required , or please consult a professional electrician 4.Never connect the neutral wire to any switch wires 5.ON/OFF Button also can be used as reset button, long press to reset your smart switch to factory defaults. Only do this if you are sure you want to erase all your settings Smart Home NHE-S300 FAQ ON OFF ON OFF ON OFF Find your light’s control in your circuit breaker and turn it off, Then make sure the power is off by flipping your switch a few times. Turn off circuit breaker Installation Guide STEP.1 In the wall cassette . look for one or more white wires secured with a wire nut. Do you have a neutral wire? Find the neutral wire STEP.2 Neutral If you can’t find neutral wire Please change another wall cassette. to find a neutral wire,if you really can’t find out a neutral wire in your wall cassette. please contact professional electrician to help you. ON OFF ON OFF ON OFF STEP.4 Tap NEXT when the Wi-Fi indicator light blinks STEP.5 Check the Wi-Fi light Turn on your switch’s power from the circuit breaker. Press the switch a few times to make sure it works. Turn on circuit breaker 4 5 6 7 8 After completing Part Two. you can now control the switch with Smart Life APP on this setting page. Try timer function to easily set up schedule to turn on/off smart switch. Timer functions on the app to control the switch. Chick to enter settings 9 Step.5Step.4 Step.9 Please note when adding device: 1.Confirm device is powered on. 2.Confirm device is waiting for network configuration. 3.Confirm that device, smart phone and router are as close to each other. 4.Make sure the network function of router and smart phone are unblocked. 5.Confirm the entered router password is correct. 6. Confirm adding device is under 2.4G Wi-Fi channel. Enable the broad case and not allow to hide Wi-Fi. 7.Confirm that router ’s encryption method is WPA2-PSK and authentication type is AES, or both are set up as automatic. 8.Confirm that Wi-Fi name contains letters only. 9. If router ’s connected device reach the amount limit. Please try to turn off some devices Wi-Fi function and configure again. . Modify switch name FCC NOTE： This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, (2) this device must accept any interference received, including interference that may cause undesired operation . The manufacturer is not responsible for any radio or tv interference caused by unauthorized modifications or change to this equipment. Such modifications or change could void the user's authority to operate the equipment. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: - Control device under 2G/3G/4G network? Why can't I control the load after installing the product? 1. Please check if the wiring is correct. 2. Please check if there is a neutral line in the cassette (neutral line is required) 3. Please check if the connected load exceeds the maximum value of the device. . 10. If router enables MAC address filter, please try removing the device form MAC filter list and make sure router is allowing device to be connected. Device and smart phone must be in the same Wi-Fi environment when adding device. After successful adding, device cam be control via mobile network. How to share my device with family? Open App, enter into “shared device”, tap “add sharing” to share device with family. How to add device? Two methods to add device:” Default Mode” and “AP Mode”.”Default Mode” is set up as default and can switch to “AP Mode” If you want to connect to Amazon Alexa, Google Home,IFTTT control, please follow the instructions to find the guide in the app. KS-602S If you have any questions, please check the FAQ in the app, maybe you can find a solution Indicator light ON/OFF Button Specifications Type Model Power supply mode…

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Nexxt Solutions Agent Authorization Company: Nexxt Solutions Address: 3505 N.W 107TH AVE. MIAMI, Florida 33178, United States Product Name: Smart Switch Model Number(s): NHE-S300 Product Description: Smart Switch 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: 2022/07/18 Name: Albert Mizrachi Title: Manager Company: Nexxt Solutions

Nexxt Solutions Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2022/07/18 Subject; Request for Confidentiality FCC ID: X4YHAES300 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); User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuantto 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: Albert Mizrachi Title: Manager

External Photos

Size:10*10mm FCC ID: X4YHAES300 Label location

Internal Photos Antenna

FCC §15.247 (i), §2.1091 – RF Exposure FCC ID: X4YHAES300 Applied procedures / limit According to FCC §15.247(i) and §1.1307(b)(1), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. Limits for Occupational / Controlled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-3.0 614 1.63 (100)* 6 3.0-30 1842 / f 4.89 / f (900 / f)* 6 30-300 61.4 0.163 1.0 6 300-1500 F/300 6 1500-100,000 5 6 Note: ƒ is frequency in MHz * = Power density limit is applicable at frequencies greater than 100 MHz Limits for General Population / Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-1.34 614 1.63 (100)* 30 1.34-30 824/f 2.19/f (180/f)* 30 30-300 27.5 0.073 0.2 30 300-1500 F/1500 30 1500-100,000 1.0 30 Note: f = frequency in MHz * = Plane-wave equivalent power density MPE PREDICTION Predication of MPE limit at a given distance, Equation from OET Bulletin 65, Edition 97-01 Where: S = power density P = power input to antenna G = power gain of the antenna in the direction of interest relative to an isotropic radiator R = distance to the center of radiation of the antenna, R=0.2m TEST RESULTS Tune up Produce power Maximum peak output power (dBm) Output power to antenna (mW) Antenna Gain (numeric) Power Density (S) (mW/ cm2) Limit (mW / cm2 ) Result 2.4GWIFI 15±1 16 39.81 1(0dBi) 0.00792 1 Pass

No.：BCTC/RF-EMC-005 Page: 1 of 63 Edition：A.4 TEST REPORT Shenzhen BCTC Testing Co., Ltd. Report No.: BCTC2205024589E Applicant: Nexxt Solutions Product Name: Smart Switch Model/Type Ref.: NHE-S300 Tested Date: 2022-05-13 to 2022-05-23 Issued Date: 2022-05-23 Report No.: BCTC2205024589E No.：BCTC/RF-EMC-005 Page: 2 of 63 Edition：A.4 FCC ID: X4YHAES300 The test report is effective only with both signature and specialized stamp. This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen BCTC Testing Co., Ltd, this report can’t be reproduced except in full. The tested sample(s) and the sample information are provided by the client. Product Name: Smart Switch Trademark: N/A Model/Type Ref.: NHE-S300 Prepared For: Nexxt Solutions Address: 3505 N.W 107TH AVE. MIAMI, Florida 33178, United States Manufacturer: Sungale Electronics (Shenzhen) Limited Address: No. 1302, DaHong High-Tech Park, No. 6-18, Xinhe Road, Xinqiao, BaoAn, Shenzhen 518125, CHINA Prepared By: Shenzhen BCTC Testing Co., Ltd. Address: 1-2/F., Building B, Pengzhou Industrial Park, No.158, Fuyuan 1st Road, Tangwei, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: 2022-05-13 Sample tested Date: 2022-05-13 to 2022-05-23 Issue Date: 2022-05-23 Report No.: BCTC2205024589E Test Standards: FCC Part15.247 ANSI C63.10-2013 Test Results: PASS Remark: This is WIFI-2.4GHz band radio test report. Tested by: Approved by: Brave Zeng/ Project Handler Zero Zhou/Reviewer Report No.: BCTC2205024589E No.：BCTC/RF-EMC-005 Page: 3 of 63 Edition：A.4 Table Of Content Test Report Declaration Page 1. Version .................................................................................................................. 5 2. Test Summary ....................................................................................................... 6 3. Measurement Uncertainty ..................................................................................... 7 4. Product Information And Test Setup ..................................................................... 8 4.1 Product Information ............................................................................................... 8 4.2 Test Setup Configuration ...................................................................................... 8 4.3 Support Equipment ............................................................................................... 9 4.4 Channel List .......................................................................................................... 9 4.5 Test Mode ........................................................................................................... 10 4.6 Table Of Parameters Of Text Software Setting ................................................... 10 5. Test Facility And Test Instrument Used ............................................................... 11 5.1 Test Facility ......................................................................................................... 11 5.2 Test Instrument Used .......................................................................................... 11 6. Conducted Emissions .......................................................................................... 13 6.1 Block Diagram Of Test Setup .............................................................................. 13 6.2 Limit .................................................................................................................... 13 6.3 Test Procedure ................................................................................................... 13 6.4 EUT Operating Conditions .................................................................................. 13 6.5 Test Result .......................................................................................................... 14 7. Radiated Emissions ............................................................................................. 16 7.1 Block Diagram Of Test Setup .............................................................................. 16 7.2 Limit .................................................................................................................... 17 7.3 Test Procedure ................................................................................................... 18 7.4 EUT Operating Conditions .................................................................................. 19 7.5 Test Result .......................................................................................................... 20 8. Radiated Band Emission Measurement And Restricted Bands Of Operation ..... 26 8.1 Block Diagram Of Test Setup .............................................................................. 26 8.2 Limit .................................................................................................................... 26 8.3 Test Procedure ................................................................................................... 27 8.4 EUT Operating Conditions .................................................................................. 27 8.5 Test Result .......................................................................................................... 28 9. Power Spectral Density Test ............................................................................... 30 9.1 Block Diagram Of Test Setup .............................................................................. 30 9.2 Limit .................................................................................................................... 30 9.3 Test Procedure ................................................................................................... 30 9.4 EUT Operating Conditions .................................................................................. 30 9.5 Test Result .................................................................…

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Report No.: BCTC2205024589E No.：BCTC/RF-EMC-005 Page: 61 of 63 Edition：A.4 16. EUT Test Setup Photographs Conducted Measurement Photo Radiated Measurement Photos Report No.: BCTC2205024589E No.：BCTC/RF-EMC-005 Page: 62 of 63 Edition：A.4