FCC ID: 2AW23-VC334 Remote control

IC:31226-VC334 HVIN: DR-A245

IC:31226-VC334 HVIN: DR-A245 CAN ICES-003(B)/NMB-003(B)

CAN ICES-003(B)/NMB-003(B)

IC:31226-VC334 HVIN: DR-A245 CAN ICES-003(B)/NMB-003(B)

TCB Authority to Act as Agent Number:

Revision:

Effective date: Oct 8, 2021 MS-0045317 0 Authority to Act as Agent Date: 19 Mar., 2024 TUV Rheinland of North America, Inc. 1279 Quarry Lane., Suite. A Pleasanton, CA 94566 To Whom It May Concern:

I appoint TUV Rheinland (Shenzhen) Co., Ltd. to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in the FCC or Industry Canadas regulations will have affixed to it a label identical to that submitted for approval with this application. For instances where our authorized agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for Certification, as specified by TUV Rheinland Group, still resides with Xiamen R&T Plumbing Technology Co., Ltd. /

No.18, HouXiang Road, HaiCang District, Xiamen, 361028, China For TCB applications, We certify that we are not subject to 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. Further, no party, as defined in 47 CFR 1.2002 (b), to the application is subject to denial of federal benefits, that includes FCC benefits. Thank you, Agency Agreement Date:

12 Months Agreement is valid for 12 months from the above date. By:

(Signature) Hongwei Wang

(Print name)

+8605926539772

(Telephone) Manager

(Title) On behalf of:

Xiamen R&T Plumbing Technology Co., Ltd.

(Company Name) Page 1 of 1

Xiame: bin logy Co., Ltd. U.S. Agent Letter of Attestation To: Federal Communications Commission Date: 20-02-2023 7435 Oakland Mills Road, Columbia, MD 21046, USA Ref: Attestation Statement - Part 2.911(d)(7) filing FCC ID: 2AW23-F22G00 EXP Date:20-02-2025 6 Xiamen R&T Plumbing Technology Co., Ltd, ("the applicant) certifies that, as of the date of the filing of the application, Advanced Based LLC ("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. Advanced Based LLC (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. APPLICANT Company Name: Xiamen R&T Plumbing Technology Co., Ltd. Contact Person: Hongwei Wang Address: No.18, HouXiang Road, HaiCang District, Xiamen, 361028, China Tel.: +8605926539772 Email: et038@esmart-toilet. com U.S. Agent Company Name: Advanced Based LLC Contact Person: Miley.Cyrus Address: 1435 Arapahoe Ave Boulder CO 80302 US Tel.:+1 530-492-5513 Email: Miley.Cyrus@advancedbased.com FCC FRN:_0033401852 Sincerely yours, The Applicant T The Agent Company Name | Xiamen R&T Plumbing Technology Co., Advanced Based LLC |

Ltd. |

|Contact Person_| Hongwei Wang Miley.Cyrus FCC 1ID:2AW23-VC334

TCB FCC Request for Confidentiality Letter 1 Number: MS-0044715 Revision:

Effective date: Sep 12, 2022 Author:

Owner:

William Graff William Graff Date: 19-03-2024 Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road, Columbia, MD 21046, USA Subject: Confidentiality Request for FCC ID: 2AW23-VC334 Pursuant to FCC 47 CRF 0.457(d), the applicant requests that a part of the subject FCC application be held confidential. Type of Confidentiality Requested Short Term Short Term Short Term Short Term Short Term Short Term Short Term Short Term Short Term Permanent n/a Permanent Permanent Permanent Permanent Permanent Permanent Permanent Exhibit Block Diagrams External Photo Internal Photos ***

Operation Description/Theory of Operation Schematics Test Setup***

Tune-Up Procedure Users Manual***

Part List/ Antenna Construction Xiamen R&T Plumbing Technology Co., Ltd. has spent substantial effort in developing this product and it is one of the first of its kind in industry. Having the subject information easily available to "competition" would negate the advantage they have achieved by developing this product. Not protecting the details of the design will result in financial hardship. Permanent Confidentiality:

The applicant requests the exhibits listed above as permanently confidential be permanently withheld from public review due to materials that contain trade secrets and proprietary information not customarily released to the public.

(*** Exceptional case for Permanent Confidentiality for these Exhibits by PAG only) Short-Term Confidentiality:

The applicant requests the exhibits selected above as short term confidential be withheld from public view for a period of specify number of days not to exceed 180 days from the date of the Grant of Equipment Authorization and prior to marketing. This is to avoid premature release of sensitive information prior to marketing or release of the product to the public. Applicant is also aware that they are responsible to notify TUV Rheinland in the event information regarding the product or the product is made available to the public. TUV Rheinland will then release the documents listed above for public disclosure pursuant to FCC Public Notice DA 04-1705. Sincerely, By:

Tel: +8605926539772 Email: et038@esmart-toilet.com _______________________________________________ Hongwei Wang / Manager

(Print name)

(Signature/Title) MS-0044715 Page 1 of 1 Revision 1

Xiamen R&T Plumbing Technology Co., Ltd. Attestation Statements Not Covered Entity Applicant & Not Covered Equipment To: Federal Communications Commission Date: 19-03-2024 7435 Oakland Mills Road, Columbia, MD 21046, USA Ref: Information Required by Section 2.911(d)(5)(i) & (ii) FCC ID: 2AW23-VC334 Xiamen R&T Plumbing Technology 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, established pursuant to 1.50002 of reference chapter, as an entity producing covered communication equipment. The equipment for which authorization is sought is not covered telecommunications equipment and video surveillance equipment produced by entities identified on the Commissions Covered List that prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely yours, Applicant Signature Printed Name: Hongwei Wang Title: Manager Address: No.18, HouXiang Road, HaiCang District, Xiamen, 361028, China Tel.: +8605926539772 Email: et038@esmart-toilet.com