2BW22-YZJJ-ST-008Remote control for Intelligent toilet

Product User Manual Intelligent electronic toilet Thank you for your great love for our company's products! Before installation, please read this manual first and keep it properly for future reference. The final interpretation rights of this manual belong to our company, and any changes are subject to change without prior notice. (Including warranty card, please keep it properly) The product is mainly based on actual receipt, and the manual only provides operational explanations Electronic and Electrical Hazardous Substance Restriction Indicator Table polybrominated diphenyl ethers (PBDE) Lead (Pb) mercury (Hg) cadmium (Cd) hexavalent chromium (Cr)(VI) polybrominated biphenyls (PBB) Component name power cord circuit board seat sensor telescopic rod motor component tee component water inlet hose expansion bolt temperature protector Indicates that the content of the harmful substance in all homogeneous materials of the component is below the limit requirements specified in GB/T26572. Indicates that the content of the hazardous substance in at least one homogeneous material of the component exceeds the limit requirements specified in GB/T26572. Environmental protection usage period The number of years in this symbol is based on the environmental protection usage period of SJ/T11364-2014 [Requirements for Restriction of the Use of Hazardous Substances in Electronic and Electrical Products]. As long as the safety and usage precautions of this product recorded in the user manual are followed, there will be no leakage or sudden change of harmful substances due to the use of the product within this period of time from the manufacturing date, and there will be no serious pollution to the environment or damage to the user's personal and property. [Environmental Protection Usage Period] is not a safe usage period or a quality assurance period. If the product is not suitable for further use and needs to be disposed of, please comply with the relevant laws and regulations on the recycling and reuse of electronic and electrical products. Thank you for your cooperation. Note: Depending on the product model, the product you purchased may not contain all of the above components. temperature sensor Hazardous substances Warranty Card Product model Customer name Sales unit Purchase date Invoice number Dealer seal Factory date Customer phone number Dealer phone number Thank you for purchasing our company's products! To ensure the reputation of the product and safeguard your consumer rights, our company will provide you with a one-year free warranty service from the date of purchase (based on the date of purchase receipt), and a two-year free warranty service based on the date of production. The warranty period is based on the first to arrive. Please rest assured of your use. If a malfunction occurs after normal use according to the instructions and precautions, it will be repaired free of charge during the warranty period. During the warranty period, if repair is required due to malfunctions, you can contact our company with a warranty card for free repair or replacement (if the same model is not available, a similar model will be used instead, and our company reserves this right). If the warranty period is exceeded or the warranty card is lost, the company also provides maintenance services and charges costs. This limited liability only applies to Chinese Mainland (excluding Hong Kong, Macao and Taiwan). The limited liability of our company's products is to assume that our company's products are suitable for purchase. During the warranty period, we will charge for repair under the following circumstances: 1. Damage caused by improper use, misoperation, or improper repair or renovation. 2. Damage caused by moving the installation position. 3. Damage caused by fire, earthquake, flood, lightning freezing, and other natural disasters, public hazards and gas disasters, sulfuric acid, hydrochloric acid, and abnormal voltage. 4. Damage caused by the use of non specified power sources (voltage, frequency). 5. Used for general household or hotel purposes, resulting in damage. 6. Damage caused by poor use and packaging of consumables caused by accumulated sand, dirt, etc. The product warranty card must be stamped with the dealer's seal when purchasing. Please keep this warranty card and sales invoice properly, and display them together when repairing or inspecting the product. User Receipt Card Dear Customer: Thank you for purchasing our company's products! After purchasing this product, please fill out this card carefully and send the "User Receipt Card" back to our company so that we can provide you with technical consultation and services in a timely manner. Product model Customer name Customer phone number Invoice number Purchase date Sales unit Dealer seal Sales phone number Due to product improvements, the product images in this description may not completely match the actual product. Therefore, the appearance, color, and function of the product are based on the actual product. Catalogue safety precautions technical specifications packing list host awareness pre installation instructions installation instructions host usage instructions remote control user manual remote control code matching remote control operation and use daily maintenance electronic and electrical hazardous substance limit indicator common fault diagnosis and troubleshooting product warranty card user receipt card Common fault diagnosis and troubleshooting Phenomena Causes And solutions Blockage caused by bent inlet hose excluding bent inlet hose Close inlet valve opening inlet valve Cut off tap water waiting for incoming water excluding the bending of the inlet hose The inlet valve is not fully opened fully opening the inlet valve The inlet filter screen is blocked cleaning the inlet filter screen resetting the water temperature range and it is in standby or power saving mode resetting the seat temperature range and it is in standby mode re…

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Shenzhen Hanzhihai E-commerce Co., Ltd. U.S. Agent Letter of Attestation To: Federal Communications Commission 7435 Oakland Mills Road, Columbia, MD 21046, USA Date: July 15, 2026 Ref: Attestation Statement – Part 2.911(d)(7) filing FCC ID: 2BW22-YZJJ-ST-008 Shenzhen Hanzhihai E-commerce Co., Ltd. (“the applicant”) certifies that, as of the date of the filing of the application, CLF Import and Export Limited (“the agent”) is our designated U.S. agent for service of process for the above reference FCC ID. The applicant accepts to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. The applicant further acknowledges it is our responsibility to inform the FCC whenever the agent information changes. CLF Import and Export Limited ("the agent) understand it is the agent's obligation to accept service of process in the United States for matters related to the applicable equipment, and at the physical U.S. address and email address. Designated U.S. Agent Company Name: CLF Import and Export Limited FRN: 0033489683 Address: 1312 17th Street #692, Denver, CO 80202, United States Signature: Contact Person: David Chen Tel: +1 949 254 2565 Email: [email protected] Applicant Company Name: Shenzhen Hanzhihai E-commerce Co., Ltd. FRN: 0038643383 Address: 801, Yunli Center, Building B3, Zhonghao Industrial City, Xiangjiaotang Community, Bantian Street, Longgang District, Shenzhen City, Guangdong Province, China Signature: Contact Person: Lanlan Huang Tel: +86-18682177970 Email: [email protected]

Rev 1/26/2023 Shenzhen Hanzhihai E-commerce Co., Ltd. Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 07-15-2026 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID: 2BW22-YZJJ-ST-008 [Shenzhen Hanzhihai E-commerce Co., Ltd.] certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. [Shenzhen Hanzhihai E-commerce Co., Ltd.] certifies that the equipment for which authorization is sought does not include cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, including equipment with integrated Kaspersky Lab, Inc. (or any of its successors and assignees) cybersecurity or anti-virus software pursuant to DA-24-886 and KDB 986446 D01 Covered Equipment Guidance section B(2a). Device is inherently compliant based on hardware limitations or software controls. or A Software Bill of Materials (SBOM) is provided to the TCB for review, and The end-user or third parties cannot install additional software on this device. Sincerely, (Applicant signature) (Applicant printed name) Lanlan Huang Rev 1/26/2023 Shenzhen Hanzhihai E-commerce Co., Ltd. Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 07-15-2026 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC ID: 2BW22-YZJJ-ST-008 [Shenzhen Hanzhihai E-commerce Co., Ltd.] ce8rtifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List (as a specifically named entity or any of its subsidiaries or affiliates) as an entity producing “covered” equipment. Sincerely, (Applicant signature) (Applicant printed name) Lanlan Huang

Shenzhen Hanzhihai E-commerce Co., Ltd. Date: July 15, 2026 Product Model Number: YZJJ-ST-008, YZJJ-ST-001, YZJJ-ST-002, YZJJ-ST-003, YZJJ-ST-004, YZJJ-ST-005, YZJJ-ST-006, YZJJ-ST-007, YZJJ-ST-607, YZJJ-ST-614, YZJJ-ST-615 FCC ID: 2BW22-YZJJ-ST-008 To whom it may concern, Re: Product Certification Representative Authorization Letter We authorize QAI Laboratories Ltd. 3980 North Fraser Way, Burnaby B.C. Canada V5J 5K5 to act on our behalf on all matters concerning the above named equipment. This shall include the following: • Testing • Approval applications and procedures We declare that QAI Laboratories Ltd. is allowed to forward all information related to the approval project to the applied certification body and to the notification entities and to discuss any issues concerning the approval application. Any and all acts carried out by QAI Laboratories Ltd. on our behalf shall have the same effect as acts of our own. By: Lanlan Huang Contact Listed on FCC Wesbite Title: Manager Email: [email protected] Telephone: +86-18682177970 On behalf of: Shenzhen Hanzhihai E-commerce Co., Ltd.

Shenzhen Hanzhihai E-commerce Co., Ltd. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: July 15, 2026 Subject; Request for Confidentiality FCC ID: 2BW22-YZJJ-ST-008 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 Parts List Operational Description Tune-up Procedure Software Security Requirements for UNII devices 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: Lanlan Huang Title: Manager

Shenzhen Hanzhihai E-commerce Co., Ltd. Model Difference Statement DATE: July 15, 2026 FCC ID: 2BW22-YZJJ-ST-008 Dear Sir/Madam, Added models YZJJ-ST-001, YZJJ-ST-002, YZJJ-ST-003, YZJJ-ST-004, YZJJ-ST-005, YZJJ-ST-006, YZJJ-ST-007, YZJJ-ST-607, YZJJ-ST-614, YZJJ-ST-615 asis of the original product YZJJ-ST-008 The color of appearance and model name of series models listed are different from the main model, but the circuit and the electronic construction are the same, declared by the manufacturer. Sincerely, Name: Lanlan Huang Title: Manager Company name: Shenzhen Hanzhihai E-commerce Co., Ltd. Address: 801, Yunli Center, Building B3, Zhonghao Industrial City, Xiangjiaotang Community, Bantian Street, Longgang District, Shenzhen City, Guangdong Province, China

Report No: SSP26050523-1E FCC ID: 2BW22-YZJJ-ST-008 Annex of Test Report Annex A. EUT External Photos Model: YZJJ-ST-008 EUT View 1 EUT View 2 Report No: SSP26050523-1E FCC ID: 2BW22-YZJJ-ST-008 Annex of Test Report EUT View 3 EUT View 4 Report No: SSP26050523-1E FCC ID: 2BW22-YZJJ-ST-008 Annex of Test Report EUT View 5 EUT View 6 Report No: SSP26050523-1E FCC ID: 2BW22-YZJJ-ST-008 Annex of Test Report EUT View 7 EUT View 8

Report No: SSP26050523-1E FCC ID: 2BW22-YZJJ-ST-008 Annex of Test Report Annex D. Label and Information FCC Label Sample Label Size:2cm*0.5cm FCC Label Specifications Text is Black in color and is justified. Labels are printed in indelible ink on permanent adhesive backing or silk-screened onto the EUT or shall be affixed at a conspicuous location on the EUT. Where the EUT is constructed in two or more sections connected by wires and marketed together, the above statement is required to be affixed only to the main control unit. When the EUT is so small or for such use that it is not practicable to place the statement on it, the above information shall be placed in a prominent location in the instruction manual or pamphlet supplied to the user or, alternatively, shall be placed on the container in which the device is marketed. FCC Label Location

Report No: SSP26050523-1E FCC ID: 2BW22-YZJJ-ST-008 Annex of Test Report Annex B. EUT Internal Photos Model: YZJJ-ST-008 EUT Internal View 1 EUT Internal View 2 PCB Antenna Report No: SSP26050523-1E FCC ID: 2BW22-YZJJ-ST-008 Annex of Test Report EUT Internal View 3

FCC ID: 2BW22-YZJJ-ST-008 RF Exposure Evaluation According to KDB 447498 D01 General RF Exposure Guidance v06 and part 2.1093，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(s), listed below, is (are) satisfied. For 100 MHz to 6 GHz and test separation distances ≤ 50 mm, the 1-g and 10-g SAR test exclusion thresholds are determined by the following: [(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 Here, The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction. Frequency (MHz) Power (dBuV/m) Power (dBm) Power (mW) Limit (mW) 433.92 81.64 -13.56 0.044 1 Notes: 81.64dBuV/m-95.2=-13.56dBm So a SAR test is not required

Page 1 of 3 1. General Information 1.1 Product Information Manufacturer: Guangdong Entao Intelligent Technology Co., Ltd. Address of Manufacturer: Hengxi Industrial Zone,Gushui Road,Guxiang Town, Chao'an District, Chaozhou City, Guangdong Province Product Name: 2.4G Antenna Model Name: YZJJ-ST-008 Frequency Range: 433.92MHz Type of Antenna: PCB Antenna Antenna Gain: 0dBi (Max.) Impedance: 50 ohm Antenna View: Page 2 of 3 2. OTA Test 2.1 Gain Frequency Peak Gain (dBi) Polarity 433.92MHz 0 Horizontal 433.92MHz -0.41 Vertical Page 3 of 3 2.2 Radiation Pattern View

Report No: SSP26050523-1E FCC Test Report Page 1 of 23 FCC TEST REPORT FCC ID: 2BW22-YZJJ-ST-008 Report No. : SSP26050523-1E Applicant : Shenzhen Hanzhihai E-commerce Co., Ltd. Product Name : Remote control for Intelligent toilet Model Name : YZJJ-ST-008 Test Standard : FCC Part 15.231 Date of Issue : 2026-07-09 Shenzhen CCUT Quality Technology Co., Ltd. 1F, Building 35, Changxing Technology Industrial Park, Yutang Street, Guangming District, Shenzhen, Guangdong, China; (Tel.:+86-755-23406590 website: www.ccuttest.com) This test report is limited to the above client company and the product model only. It may not be duplicated without prior permitted by Shenzhen CCUT Quality Technology Co., Ltd. Report No: SSP26050523-1E FCC Test Report Page 2 of 23 Test Report Basic Information Applicant..................................: Shenzhen Hanzhihai E-commerce Co., Ltd. Address of Applicant...............: 801, Yunli Center, Building B3, Zhonghao Industrial City, Xiangjiaotang Community, Bantian Street, Longgang District, Shenzhen City, Guangdong Province, China Manufacturer..........................: Guangdong Entao Intelligent Technology Co., Ltd. Address of Manufacturer........: Hengxi Industrial Zone,Gushui Road,Guxiang Town, Chao'an District, Chaozhou City, Guangdong Province Product Name.........................: Remote control for Intelligent toilet Brand Name.............................: - Main Model..............................: YZJJ-ST-008 Series Models..........................: See section 1.1 (Page 5) Test Standard..........................: FCC Part 15 Subpart C ANSI C63.4-2014 ANSI C63.10-2020 + Cor. 1-2023+C63.10a-2024 + Errata to C63.10a-2024 Date of Test .............................: 2026-05-29 to 2026-07-04 Test Result...............................: PASS Tested By ................................: (Coke Huang) Reviewed By............................: (Lorzix Luo) Authorized Signatory............: (Lahm Peng) Note : This test report is limited to the above client company and the product model only. It may not be duplicated without prior permitted by Shenzhen CCUT Quality Technology Co., Ltd.. All test data presented in this test report is only applicable to presented test sample. Report No: SSP26050523-1E FCC Test Report Page 3 of 23 CONTENTS 1. General Information ....................................................................................................................................................5 1.1 Product Information .............................................................................................................................................5 1.2 Test Setup Information..........................................................................................................................................5 1.3 Compliance Standards ...........................................................................................................................................6 1.4 Test Facilities ........................................................................................................................................................6 1.5 List of Measurement Instruments ..........................................................................................................................7 1.6 Measurement Uncertainty .....................................................................................................................................7 2. Summary of Test Results .............................................................................................................................................8 3. Antenna Requirement .................................................................................................................................................9 3.1 Standard and Limit................................................................................................................................................9 3.2 Test Result ............................................................................................................................................................9 4. Conducted Emissions ................................................................................................................................................ 10 4.1 Standard and Limit.............................................................................................................................................. 10 4.2 Test Procedure.................................................................................................................................................... 10 4.3 Test Data and Results .......................................................................................................................................... 11 5. Radiated Emissions ................................................................................................................................................... 12 5.1 Standard and Limit.............................................................................................................................................. 12 5.2 Test Procedure.................................................................................................................................................... 12 5.3 Test Data and Results .......................................................................................................................................... 14 6. Occupied Bandwidth ................................................................................................................................................. 18 6.1 Standard and Limit.............................................................................................................................................. 18 6.2 Test Procedure............................................................................................................................................…

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Report No: SSP26050523-1E FCC ID: 2BW22-YZJJ-ST-008 Annex of Test Report Annex C. Test Photos Radiated Emission Test View Below 1GHz Radiated Emission Test View Above 1GHz