2BAJX-F104Wireless Auto Shut-off Valve

ZHEJIANG RUNLUCKY PURIFICATION TECHNOLOGY CO., LTD. Model Difference Data：2023.03.15 Product description: Wireless Auto Shut-off Valve Model name: F104H, F104C, F104E, F104F, F104G, F104I, F104K, F104L, F104M, F104N, F104P, F104Q, F104R Trade Name: N/A FCC ID: 2BAJX-F104 All the model are the same circuit and RF module, except model names . Regards Sincerely Client’s signature : Client’s name / title : WU XIANSHUI（Technical Director） Contact information / address：No.12, Bailian Road, Nanmingshan Street, Liandu District, Lishui, Zhejiang, China

ZHEJIANG RUNLUCKY PURIFICATION TECHNOLOGY CO., LTD. (2023.03.15) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (Wireless Auto Shut-off Valve / F104H, F104C, F104E, F104F, F104G, F104I, F104K, F104L, F104M, F104N, F104P, F104Q, F104R / FCC ID: 2BAJX-F104) To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the Exhibits Long-Term Confidentiality Short-Term Confidentiality NOTE 2 ID Label/Location No No Attestation Statement No No External Photos No ☒ Block Diagram ☒ ☐ Schematics ☒ ☐ Test Report No No Test Setup Photos No ☒ User’s Manual ☐ NOTE 1 ☒ Internal Photos ☐ NOTE 1 ☒ Parts List / Tune Up ☐ ☐ RF Exposure Info No No Operational Description ☒ ☐ Cover Letter(s) No No SDR Software / Security Info ☐ No required to be submitted with this application be permanently withheld from public review. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. Please contact me if there is any information you may need. Sincerely, Signature: Name:WU XIANSHUI Title: Technical Director

ZHEJIANG RUNLUCKY PURIFICATION TECHNOLOGY CO., LTD. (2023.03.15) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize (Shenzhen CTB Testing Technology Co., Ltd.) to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Signature: Name: WU XIANSHUI Title: Technical Director

External Photos

Label Location: FCC ID: 2BAJX-F104

Internal Photos ANT

FCC §15.247 (i), §2.1091 – RF Exposure FCC ID: 2BAJX-F104 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=20cm Test Result of RF Exposure Evaluation Note:dbm=dbuv/m-95.2= 70.84-95.2=-24.36dBm(ERP), so the conduct peak power=-24.36-2.5=-26.86dBm Modes& Channel Freq. (MHz) Tune up Produce power Maximu m peak output power (dBm) Output power to antenna (mW) Antenna Gain (numeric) Power Density (S) (mW/ cm2) Limit (mW / cm2 ) Result 433.82 ASK -26±1 -25 0.0032 1.7783 (2.5dBi) 1*10 -6 1 Pass

6 5 4 3 2 1 A B C D E F G NO DESCRIPTION Q'TY REMARK CUSTOMER: PART NO. : PARTNAME: REV X1 UNIT m/m FILE : SHEET : 1/1 APPROVED CHECKED DRAWING X. .X .XX .XXX XX. ± 3.0± 2.0± 1.0 ± 0.5± 0.1 CUSTOMER'S SINGATURE DESCRIPTION DATE REV 1 2 11 Kunshan Wavelink Electronics Co.,Ltd. WAVELINK P/NO. : X1 2021.8.3 FPC Cable XuXiaoXiao 46*17mm RF1.13mm Black WL-433IF4617-80 䭰䭑 Frequency Range: 433MHz Specification: VSWR: ̆ 2 Gain: 2.5dBi : 2±0.2 2±0.2 2±0.2 80±2 46±1 17±1 All measurements were performed radiated and therefore additional antenna gain documentation is not required. Sample Photo Email: [email protected]/Wechat:eva87622WhatsApp:+8618662687622

Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB230309044RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.netPage 1 of 29 TEST REPORT Compiled by: Reviewed by: Approved by: Chen Zheng Arron Liu Bin Mei / Director The test report is effective only with both signature and specialized stamp. This result(s) shown in this report r Note: If there is any objection to the inspection results in this report, please submit a written report to the company within 15 days from the date of receiving the report. 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 CTB Testing Technology Co., Ltd. this report can’t be reproduced except in full. The tested sample(s) and the sample information are provided by the client. “*” indicates the testing items were fulfilled by subcontracted lab. “#” indicates the items are not in CNAS accreditation scope. Product Name: Wireless Auto Shut-off Valve FCC ID: 2BAJX-F104 Trademark: N/A Model Number: F104H, F104C, F104E, F104F, F104G, F104I, F104K, F104L, F104M, F104N, F104P, F104Q, F104R Prepared For: ZHEJIANG RUNLUCKY PURIFICATION TECHNOLOGY CO., LTD. Address: No.12, Bailian Road, Nanmingshan Street, Liandu District, Lishui, Zhejiang, China Manufacturer: WENZHOU RUNXIN MANUFACTURING MACHINE CO., LTD. Address: No.169, Runxin Road, Shanfu Town, Wenzhou, Zhejiang, China Prepared By: Shenzhen CTB Testing Technology Co., Ltd. Address: 1&2/F., Building A, No.26, Xinhe Road, Xinqiao, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: Feb. 24, 2023 Sample tested Date: Feb. 24, 2023 to Mar. 09, 2023 Issue Date: Mar. 09, 2023 Report No.: CTB230309044RFX Test Standards FCC Part15.231 ANSI C63.10:2013 Test Results PASS Remark: This is 433MHz radio test report. Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB230309044RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 29 TABLE OF CONTENT Test Report Declaration Page 1. VERSION ........................................................................................................................................ 3 2. TEST SUMMARY ........................................................................................................................... 4 3. MEASUREMENT UNCERTAINTY ................................................................................................. 5 4. PRODUCT INFORMATION AND TEST SETUP ............................................................................ 6 4.1 Product Information .......................................................................................................................... 6 4.2 Test Setup Configuration .................................................................................................................. 6 4.3 Support Equipment........................................................................................................................... 6 4.4 Test Mode ........................................................................................................................................ 7 4.5 Test Environment ............................................................................................................................. 7 5. TEST FACILITY AND TEST INSTRUMENT USED ....................................................................... 8 5.1 Test Facility ...................................................................................................................................... 8 5.2 Test Instrument Used ....................................................................................................................... 8 6. AC POWER LINE CONDUCTED EMISSION .................................................................................. 11 6.1 Block Diagram Of Test Setup ......................................................................................................... 11 6.2 Limit ................................................................................................................................................ 11 6.3 Test procedure ............................................................................................................................... 11 6.4 Test Result ..................................................................................................................................... 12 7. RADIATED EMISSION ................................................................................................................. 14 7.1 Block Diagram Of Test Setup ......................................................................................................... 14 7.2 Limit ................................................................................................................................................ 14 7.3 Test procedure ............................................................................................................................... 15 7.4 Test Result ..................................................................................................................................... 16 8. DWELL TIME ................................................................................................................................ 22 8.1 Block Diagram Of Test Setup ......................................................................................................... 22 8.2 Limit ................................................................................................................................................ 22 8.3 Test procedure ............................................................................................................................... 22 8.4 Test Result ..................................................................................................................................... 23 9. OCCUPIED BANDWIDTH ...........…

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Radiated Emission Below 1G Above 1G Conducted emissions