2A55Q-DU-F13WSmart All-in-One Pet Feeder & Water Dispenser

Rev 1/26/2023 Huizhou Dudu Pet Products Co., Ltd Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 09-11-2025 Ref: Attestation Statements Part 2.911(d)(7) Filing Applicant Information: FCC ID ：2A55Q-DU-F13W Applicant FRN: 0032188674 Company Name: Huizhou Dudu Pet Products Co., Ltd Address: Floor 2/3/4, Building 2 District D, Qiaosheng Industrial Park, Lilin Town, Huicheng District, Huizhou, China Contact Person: MIA XIE Phone: 18025488980 Email: [email protected] [Huizhou Dudu Pet Products Co., Ltd] certifies that, as of the date of the filing of the application, [FCC US Agent, LLC] is our designated U.S. agent for service of process for the above referenced FCC ID. [Huizhou Dudu Pet Products Co., Ltd] accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. [FCC US Agent, LLC] accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information: Company Name: FCC US Agent, LLC FRN: 0033402884 Address: 3722 Illinois Avenue, Saint Charles, IL, 60174, USA Contact Person: Tim Payne Phone: 708-571-3148 Email: [email protected] Sincerely, [Huizhou Dudu Pet Products Co., Ltd] FCC US Agent, LLC [MIA XIE] Tim Payne

(Huizhou Dudu Pet Products Co., Ltd.) (2025.9.15) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for (FCC ID:2A55Q-DU-F13W) [Huizhou Dudu Pet Products Co., Ltd.] (“the applicant”) 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. We also certify that, as of the date of the filing of the application, the equipment does not utilize cyber-security or anti-virus software from Kaspersky Lab, Inc, or any of its successors and assignees, which is also on the “covered list”. Sincerely, (Applicant signature) (Applicant printed name) MIA XIE (Huizhou Dudu Pet Products Co., Ltd.) (2025.9.15) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(ii) request for (FCC ID:2A55Q-DU-F13W) [Huizhou Dudu Pet Products Co., Ltd.] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Sincerely, (Applicant signature) (Applicant printed name) MIA XIE

Huizhou Dudu Pet Products Co., Ltd. 2025.09.15 Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230 USA RE: CONFIDENTIALITY REQUEST FOR EUT NAME: Smart All-in-One Pet Feeder & Water Dispenser Trademark: N/A MODEL : DU-F13W, F13-AM FCC ID : 2A55Q-DU-F13W 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 - Block Diagram - Schematics - Operational Description - FCC Software Security Requirements for UNII devices Rev 2.1 required to be submitted with this application be permanently withheld from public review. The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. Please contact me if there is any information you may need. Sincerely, Client’s signature: Client’s name / title : MIA XIE / Manager Contact information / address: Floor 2/3/4, Building 2 District D Qiaosheng Industrial Park, Lilin Town, Huicheng District, Huizhou, China

Huizhou Dudu Pet Products Co., Ltd. 2025.09.15 Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230 USA RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Shenzhen BCTC Testing 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, Client’s signature: Client’s name / title : MIA XIE / Manager Contact information / address: Floor 2/3/4, Building 2 District D Qiaosheng Industrial Park, Lilin Town, Huicheng District, Huizhou, China

Huizhou Dudu Pet Products Co., Ltd. Model Difference 2025-09-15 EUT NAME: Smart All-in-One Pet Feeder & Water Dispenser FCC ID: 2A55Q-DU-F13W MODEL : DU-F13W, F13-AM All the model are the same circuit and RF module, except model names and appearance of the color. Regards Sincerely Client’s signature: Client’s name / title : MIA XIE / Manager Contact information / address: Floor 2/3/4, Building 2 District D Qiaosheng Industrial Park, Lilin Town, Huicheng District, Huizhou, China

Report No.: BCTC2508248367E External Photos Report No.: BCTC2508248367E Report No.: BCTC2508248367E Report No.: BCTC2508248367E Report No.: BCTC2508248367E

Size:45*30mm Smart All-in-One Pet Feeder & Water Dispenser FCC ID: 2A55Q-DU-F13W 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, and (2) this device must accept any interference received, including interference that may cause undesired operation Label Location

Report No.: BCTC2508248367E Internal Photos Report No.: BCTC2508248367E Report No.: BCTC2508248367E WIFI/BLE Antenna Report No.: BCTC2508248367E Report No.: BCTC2508248367E

FCC §15.247 (i), §2.1091 – RF Exposure FCC ID: 2A55Q-DU-F13W 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 Conclusion: For the max result: 0.00785≤ 1.0, compliance with FCC's RF Exposure The Product unsupported at the same time to Transmitting. 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 BLE 0±1 1 1.26 1.57 (1.95 dBi) 0.00039 1 Pass WIFI 2.4G 13±1 14 25.12 1.57 (1.95 dBi) 0.00785 1 Pass WIFI 5.1G 12±1 13 19.95 1.57 (1.97 dBi) 0.00623 1 Pass

Shenzhen South Star Technology Co. Ltd. Shanghai South Star Technology Co. Ltd. SPECIFICATION FOR APPROVAL CUSTOMER : PART NAME : PART NO. : NDX NO. : REV. : Shenzhen southstar technology.co.,LTD 深圳市南斗星科技有限公司 Address：No.1606,Build C6,HengFeng industrial city,xixiang street,baoan district,Shenzhen Shenzhen southstar technology co., LTD. Shanghai branch 深圳市南斗星科技有限公司上海分公司 103B, Build10, No.198 Zhang Heng Road , Pudong New Area,Shanghai WBR3D PCB Antenna 2.4G- 5.8G TUYA Antenna Assembly Specification(With housing) 1.Electrical Properties 1.3 VSWR ................................................................ ...<2 1.4 Radiation................................................................Omni 1.5 Gain(Peak).............................................................1dBi 1.6 Polarization............................................................Linear 1.7 Admitted Power.....................................................1W 1.8 Connector...............................................................MH 1.1 Frequecy range.............................................2.412~2.472GHz 1.2 Impedance.......................................................50Ω Norminal F 2.Physical Properties 2.1 Working Temperature.........................................-20°C~+65°C 2.2 Storage Temperature...........................................-30°C~+75°C Shenzhen South Star Technology Co. Ltd. 103B, Build10, No.198 Zhang Heng Road , Pudong New Area,Shanghai Antenna Design for 2.4G-5.8G Document NumberNDX-1908020 Released Date20/08/2019 AuthorMingchao Zhang Review ByZhongyi Zhao Shenzhen South Star Technology Co. Ltd. 103B, Build10, No.198 Zhang Heng Road , Pudong New Area,Shanghai Revised History DateVersionRevised Recored 20/08/20191.00 1st Released Shenzhen South Star Technology Co. Ltd. 103B, Build10, No.198 Zhang Heng Road , Pudong New Area,Shanghai 1.Antennas' setup and enviroment With housing 板载2.4G-5.8G Shenzhen South Star Technology Co. Ltd. 103B, Build10, No.198 Zhang Heng Road , Pudong New Area,Shanghai 2.Analyzer Measurement 2.1 Ant 2.4G -5.8G S11 VSWR Shenzhen South Star Technology Co. Ltd. 103B, Build10, No.198 Zhang Heng Road , Pudong New Area,Shanghai 3.Gain & Patterns test results 3.1 Measurement setting-XYZ Shenzhen South Star Technology Co. Ltd. 103B, Build10, No.198 Zhang Heng Road , Pudong New Area,Shanghai 3.2 Ant 2.4G 3D Patterns Shenzhen South Star Technology Co. Ltd. 103B, Build10, No.198 Zhang Heng Road , Pudong New Area,Shanghai 3.2 Ant 5.8G 3D Patterns Shenzhen South Star Technology Co. Ltd. 103B, Build10, No.198 Zhang Heng Road , Pudong New Area,Shanghai 3.2 Ant 2.4G 2D Patterns Shenzhen South Star Technology Co. Ltd. 103B, Build10, No.198 Zhang Heng Road , Pudong New Area,Shanghai 3.2 Ant 5.8G 2D Patterns Shenzhen South Star Technology Co. Ltd. 103B, Build10, No.198 Zhang Heng Road , Pudong New Area,Shanghai 4. Peak Gain & Efficiency FreqEffiEffiGain (MHz)(%)(dB)(dBi) 240021.72-6.630.47 241024.64-6.081.17 242027.86-5.551.95 243026.18-5.821.71 244024.58-6.091.5 245023.27-6.331.17 246024.25-6.151.22 247021.7-6.630.55 248019.44-7.11-0.22 249016.86-7.73-1.02 510032.86-4.831.22 520039.24-4.061.97 530032.14-4.931.08 540054.54-2.632.64 550033.93-4.691.6 560034.27-4.650.65 570030.77-5.12-0.76 580035.7-4.47-0.84

No.：BCTC/RF-ICT-005 Page 1 of 63 Edition：C.0 TEST REPORT Shenzhen BCTC Testing Co., Ltd. Report No.: BCTC2508248367-3E Applicant: Huizhou Dudu Pet Products Co., Ltd. Product Name: Smart All-in-One Pet Feeder & Water Dispenser Test Model: DU-F13W Tested Date: 2025-08-06 to 2025-08-28 Issued Date: 2025-08-28 Report No.: BCTC2508248367-3E No.：BCTC/RF-ICT-005 Page 2 of 63 Edition：C.0 FCC ID: 2A55Q-DU-F13W 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 All-in-One Pet Feeder & Water Dispenser Trademark: N/A Model/Type reference: DU-F13W F13-AM Prepared For: Huizhou Dudu Pet Products Co., Ltd. Address: Floor 2/3/4, Building 2 District D, Qiaosheng Industrial Park, Lilin Town, Huicheng District, Huizhou, China Manufacturer: Huizhou Dudu Pet Products Co., Ltd. Address: Floor 2/3/4, Building 2 District D, Qiaosheng Industrial Park, Lilin Town, Huicheng District, Huizhou, China Prepared By: Shenzhen BCTC Testing Co., Ltd. Address: 1-2/F., Building B, Pengzhou Industrial Park, No.158, Fuyuan 1st Road, Zhancheng, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: 2025-08-06 Sample tested Date: 2025-08-06 to 2025-08-28 Issue Date: 2025-08-28 Report No.: BCTC2508248367-3E Test Standards: FCC Part15 15.407 ANSI C63.10-2013 KDB 789033 D02 v02r01 Test Results: PASS Tested by: Approved by: Lei Chen/Project Handler Zero Zhou/Reviewer Report No.: BCTC2508248367-3E No.：BCTC/RF-ICT-005 Page 3 of 63 Edition：C.0 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 ............................................................................................... 8 4.4 Channel List .......................................................................................................... 9 4.5 Test Mode ............................................................................................................. 9 5. Test Facility And Test Instrument Used ............................................................... 10 5.1 Test Facility ......................................................................................................... 10 5.2 Test Instrument Used .......................................................................................... 10 6. Conducted Emissions .......................................................................................... 12 6.1 Block Diagram Of Test Setup .............................................................................. 12 6.2 Limit .................................................................................................................... 12 6.3 Test Procedure ................................................................................................... 12 6.4 EUT Operating Conditions .................................................................................. 12 6.5 Test Result .......................................................................................................... 13 7. Radiated Emissions ............................................................................................. 15 7.1 Block Diagram Of Test Setup .............................................................................. 15 7.2 Limit .................................................................................................................... 16 7.3 Test Procedure ................................................................................................... 17 7.4 EUT Operating Conditions .................................................................................. 18 7.5 Test Result .......................................................................................................... 18 8. Power Spectral Density Test ............................................................................... 24 8.1 Block Diagram Of Test Setup .............................................................................. 24 8.2 Limit .................................................................................................................... 24 8.3 Test Procedure ................................................................................................... 25 8.4 EUT Operating Conditions .................................................................................. 25 8.5 Test Result .......................................................................................................... 25 9. 26dB & 6dB & 99% Emission Bandwidth ............................................................ 30 9.1 Block Diagram Of Test Setup .............................................................................. 30 9.2 Limit .................................................................................................................... 30 9.3 Test Procedure ................................................................................................... 30 9.4 EUT Operating Conditions .................................................................................. 31 9.5 Te…

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Report No.: BCTC2508248367-1E No.：BCTC/RF-ICT-005 Page 55 of 57 Edition：C.0 16. EUT Test Setup Photographs Conducted Emissions Photo Radiated Measurement Photos Report No.: BCTC2508248367-1E No.：BCTC/RF-ICT-005 Page 56 of 57 Edition：C.0