2AOCT-3RWS18BZWater Leak Sensor

Note: 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: —Reorient or relocate the receiving antenna. —Increase the separation between the equipment and receiver. —Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. —Consult the dealer or an experienced radio/TV technician for help. FCC Statement： Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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. FCC Radiation Exposure Statement: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and Operated with minimum distance 20cm between the radiator & your body.

Company: Third Reality, Inc. Add: No. 9 Nanxu Road, Runzhou District, Zhenjiang City, Jiangsu, China Tel: +86-021-8019768 Fax: +86-021-8019768 FCC Authorization Date: 20 20-08-28 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We, Third Reality, Inc., the undersigned, Hereby authorizes Bay Area Compliance Laboratories Corporation to act on its behalf in all matters relating to application for Equipment authorization, including the signing of all documents relating to these matters. All acts carried out by Bay Area Compliance Laboratories Corp. on our behalf shall have the same effect as our own action. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. This authorization is valid until further written notice from the applicant. Sincerely Yours, Signature: Printed Name: Zhou Tao Title: Manager QA-FR-170-B

Company Name: Third Reality, Inc. Add: No. 9 Nanxu Road, Runzhou District, Zhenjiang City, Jiangsu, China Tel: +86-021-8019768 Fax: +86-021-8019768 E-mail: [email protected] FCC Confidential Authorization Date: 2020-08 -28 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding applicatio n for certification of FCC ID: 2AOCT-3RWS18BZ To: whom it may concern, In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, Third Reality, Inc. hereby requests long-term confidential treatment of inform ation accompanying this application as outlined below: Block Diagram Schematics Operation Description The above materials contain proprietary and confidential information not customarily released to the public. The public disclosure of these materials provides unjustified benefits to its competitors in the market. Sincerely Yours, Signature: Printed Name: Zhou Tao Title: Manager

EXHIBIT A - EUT EXTERNAL PHOTOGRAPHS

Size:30mm*50mm

EXHIBIT B - EUT INTERNAL PHOTOGRAPHS Antenna

Bay Area Compliance Laboratories Corp. (Kunshan) Report No.: RSHD200828001-00A FCC Part 15.247 Page 10 of 36 FCC §1.1310& §2.1091 - MAXIMUM PERMISSIBLE EXPOSURE (MPE) Applicable Standard According to subpart 15.247(i) and subpart §1.1310, 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 Maximum Permissible Exposure (MPE) (§1.1310, §2.1091) (B) Limits for General Population/Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm 2 ) Averaging Time (minutes) 0.3-1.34 614 1.63 *(100) 30 1.34-30 824/f 2.19/f *(180/f²) 30 30-300 27.5 0.073 0.2 30 300-1500 / f/1500 30 1500-100,000 / 1.0 30 f = frequency in MHz; * = Plane-wave equivalent power density; According to §1.1310 and §2.1091 RF exposure is calculated. Calculated Formulary: Predication of MPE limit at a given distance S = PG/4πR² = power density (in appropriate units, e.g. mW/cm 2 ); P = power input to the antenna (in appropriate units, e.g., mW); G = power gain of the antenna in the direction of interest relative to an isotropic radiator, the power gain factor, is normally numeric gain; R = distance to the center of radiation of the antenna (appropriate units, e.g., cm); Calculated Data: Mode Frequency Range (MHz) Antenna Gain Tune-up Conducted Power Evaluation Distance (cm) Power Density (mW/cm 2 ) MPE Limit (mW/cm 2 ) (dBi) (numeric) (dBm)(mW) Zigbee 2405~24803.00 2.00 12.5017.78 20 0.0071 1.0 Note: For the above tune up power were declared by the manufacturer. Result: The device meet FCC MPE at 20 cm distance.

FCC PART 15.247 TEST REPORT For Third Reality, Inc. No. 9 Nanxu Road, Runzhou District, Zhenjiang City, Jiangsu, China FCC ID: 2AOCT-3RWS18BZ Report Type: Original Report Product Type: Water Leak Sensor Test Engineer: Jack Jiao Report Number: RSHD200828001-00A Report Date: 2020-09-16 Reviewed By: Oscar Ye EMC Manager Prepared By: Bay Area Compliance Laboratories Corp. (Kunshan) No.248 Chenghu Road, Kunshan, Jiangsu province, China Tel: +86-0512-86175000 Fax: +86-0512-88934268 www.baclcorp.com.cn Bay Area Compliance Laboratories Corp. (Kunshan) Report No.: RSHD200828001-00A TABLE OF CONTENTS GENERAL INFORMATION ....................................................................................................................................... 3 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 3 OBJECTIVE ................................................................................................................................................................... 3 RELATED SUBMITTAL(S)/GRANT(S) ............................................................................................................................. 3 TEST METHODOLOGY .................................................................................................................................................. 4 MEASUREMENT UNCERTAINTY .................................................................................................................................... 4 TEST FACILITY ............................................................................................................................................................. 4 SYSTEM TEST CONFIGURATION .......................................................................................................................... 5 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 5 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 5 EUT EXERCISE SOFTWARE .......................................................................................................................................... 5 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................... 6 EXTERNAL I/O CABLE.................................................................................................................................................. 6 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 7 SUMMARY OF TEST RESULTS ............................................................................................................................... 8 TEST EQUIPMENT LIST ........................................................................................................................................... 9 FCC §1.1310& §2.1091 - MAXIMUM PERMISSIBLE EXPOSURE (MPE) ............................................................ 10 APPLICABLE STANDARD ............................................................................................................................................ 10 CALCULATED FORMULARY: ....................................................................................................................................... 10 CALCULATED DATA: .................................................................................................................................................. 10 FCC §15.203 - ANTENNA REQUIREMENT ........................................................................................................... 11 APPLICABLE STANDARD ............................................................................................................................................ 11 ANTENNA CONNECTOR CONSTRUCTION .................................................................................................................... 11 FCC §15.209, §15.205 & §15.247(d) - SPURIOUS EMISSIONS............................................................................. 12 APPLICABLE STANDARD ............................................................................................................................................ 12 EUT SETUP ................................................................................................................................................................ 12 EMI TEST RECEIVER SETUP ....................................................................................................................................... 13 TEST PROCEDURE ...................................................................................................................................................... 13 CORRECTED AMPLITUDE & MARGIN CALCULATION ................................................................................................. 13 TEST RESULTS SUMMARY .......................................................................................................................................... 13 TEST DATA ................................................................................................................................................................ 14 FCC §15.247(a) (2) – 6 dB EMISSION BANDWIDTH ............................................................................................ 23 APPLICABLE STANDARD ............................................................................................................................................ 23 TEST PROCEDURE ...................................................................................................................................................... 23 TEST DATA ...…

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EXHIBIT C - TEST SETUP PHOTOGRAPHS Radiated Emissions View (Below 1GHz) Radiated Emissions View (1GHz-18GHz)