2A8PH-M1UNDERWATER SCOOTER

USER MANAUL UNDERWATER SCOOTER STERMAY M1 Ple ase r ead the operation instruc tions carefully before using this produc t. Ple ase operate in the corr ect w ay b ased on complete understanding. STERMAY Honor customer s STERMAY M1 is one type technology pr oducts which able to pr ovide thrust power for y ou under water . It has small body, port able and disassemble struc tur e, e asy t o c arr y, use and rene wal. Machine body bottom set int egr ated type outer c onfigured sliding rail, c oor dina te the switch p art according to y our r equir ements, able to c arr y diff er ent outer c onfigure equipment (SUP, sport camer a, lighting lamp, e tc). OLED display screen on machine able to indicate g ear , power, signal and other informa tion. STERMAY M1 provide 3 types differ ent speed for y ou, e asily realiz e diving, surfing and other water r ecr eational activities ,provide one complete ne w e xperience! Ple ase r ead this USER MANAUL befor e ins tall and use the produc t c ar efully to make y ou c orr ec tly use this produc t, s tric tly f ollo w the operation instruc tion t o c orr ec tly install and use, avoid incorr ec tly install and use to c aused accidents! Ple ase safety k eep User Operation Instruc tion f or future r ef er enc e. Hope you happily operating ! Thank you f or y ou choice S TERMAY M1! STERMAY Caution！ ！This device complies with Part 15 of the FCC Rules / Innovation, Science and Economic Development Canada’s licence-exempt RSS(s). 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. ！L’émetteur/récepteur exempt de licence contenu dans le présent appareil est conforme aux CNR d’Innovation, Sciences et Développement économique Canada applicables aux appareils radio exempts de licence. L’exploitation est autorisée aux deux conditions suivantes : 1. L’appareil ne doit pas produire de brouillage; 2. L’appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d’en compromettre le fonctionnement. ！Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. ！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. STERMAY 1. Product overview 1.1 Product overview............................03 2. Safety warnings 2.1 Safety warnings...............................03 6. Operating instruction 6.1 How to use when diving .............................11 6.2 How to use when suspended on SUP........12 7. Outer configure equipment installation methods 7.1 Install the M1 on the SUP...........................13-14 7.2 Install the sport camear on the M1............15 8. Maintenance 8.1 Cleaning after use ......................................16 8.2 Storage ........................................................16 8.3 Disposal at end-of-life ................................16 8.4 Warranty Policy...........................................17 3. Product Introduction 3.1 Package list .....................................06 3.2 Specification ...................................06 3.3 Product diagram.............................07 4. Assembling Instruction 4.1 Install the Battery...........................08 4.2 Remove the Battery........................08 4.3 Handle assembling.........................09 5. Charging Instruction 5.1 Battery charging .............................10 5.2 Remote Handle charging ...............10 Content 02 STERMAY STERMAY M1 formed with head c over , body, r emo te handle, handle, propeller and tail c over , the power system integr ated into machine body, r emo te handle set signal remo te sys tem. F ac e of machine set OLED display screen that indicate the signal connection, res t power volume, speed mode and other informa tion. STERMAY M1 able to assort the switch p art t o c onnect the over water carriage t ools such as canoe to use, also able to c arriage underwater sport camer a, lighting lamp and other equipment to r ec or d the underwater be autiful moment . 1. Product overview This operation instruction recorded the correct and safety operating method and other important text contents to avoid it hurt you and caused loss. Icon and diagram explain symbols are help you understand, maybe different to entities. Please read and understand the relate marks and notes carefully before use the Stermay M1, and strictly follow it. Please safety keep the operation instruction for future reference use. Model reference for the battery of main unit M1-01 , main part battery charger XSG2552500 and USB charger K05V050100U. 2. SAFETY WARNINGS 03 ！Do not use the product for users whose body status unsuitable to swim, snorkeling and diving sports. ！Do not use this product under the situation that affected by ethyl alcohol or medicine. ！Do not wear the articles which not relate to swim, such as ne…

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Jiangsu Youmay Electric Appliance Co., Ltd. Authority to Act as Agent Date: Sep 29, 2022 American Certification Body, Inc. 6731 Whittier Avenue Suite C110 McLean, VA 22101 To Whom It May Concern: _____Intertek Testing Service Shanghai______ is authorized to act on our behalf, until otherwise notified, for applications to American Certification Body, Inc. (ACB). 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. We also declare that the information provided to the FCC is true and correct to the best of our knowledge (47 CFR 2.911(d)) and we have been informed of the grantee responsibilities (47 CFR 2.909) with regard to certified equipment. Thank you, Agency Agreement Expiration Date: _____Dec 31, 2023 By: _______________ ____ _ Wenyong Li____________ (Signature 1 ) (Print name) Title: ______ Project manager____________________ On behalf of: __ Jiangsu Youmay Electric Appliance Co., Ltd..________________ (Company Name) Telephone: _____ 13524519103___________________ 1 - Must be signed by applicant contact given for applicant on the FCC site, or by the authorized agent if an appropriate authorized agent letter has been provided. Letters should be placed on appropriate letterhead.

Jiangsu Youmay Electric Appliance Co., Ltd. Request for Confidentiality Date: Sep 29, 2022 Subject: Confidentiality Request for: __FCC ID: 2A8PH-M1 Pursuant to FCC 47 CFR 0.457(d) and 0.459, the applicant requests that a part of the subject FCC application be held confidential. Type of Confidentiality Requested Exhibit ☐ Short Term ☒ Permanent Block Diagrams ☐ Short Term External Photos ☐ Short Term ☐ Permanent * 1 Internal Photos ☐ Short Term ☒ Permanent Operation Description/Theory of Operation ☐ Short Term ☐ Permanent Parts List & Placement/BOM ☐ Short Term ☐ Permanent Tune-Up Procedure ☐ Short Term ☒ Permanent Schematics ☐ Short Term Test Setup Photos ☐ Short Term ☐ Permanent * 3 User’s Manual ______ Jiangsu Youmay Electric Appliance 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. Short-Term Confidentiality: The applicant requests the exhibits selected above as short term confidential be withheld from public view for a period of ___(180) 2 ___ 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 ACB in the event information regarding the product or the product is made available to the public before the requested period has expired. ACB will then release the documents listed above for public disclosure pursuant to FCC Public Notice DA 04-1705. NOTE for Industry Canada Applications: IC currently only distinguishes Permanent Confidentiality exhibits as shown above. Short Term confidentiality is not considered applicable to IC applications. Sincerely, By: Wenyong Li (Signature/Title 3 ) (Print name) 1 - The asterisked items (*) require further information to be provided to ACB before permanent confidentiality will be extended to these exhibits. Please refer to FCC KDB 726920 and the specific Document link for D01 found at: https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=41731 and review section II, 3) regarding specific information that must accompany these requests. 2 - Please refer to http://acbcert.com/documents/misc-docs/Memo-Short-Term-Vs-Standard-Confidentiality.pdf for complete details. 3 - Must be signed by applicant contact given for applicant on the FCC site, or by the authorized agent if an appropriate authorized agent letter has been provided. Letters should be placed on appropriate letterhead.

FCC ID: 2A8PH-M1 IC: 29282-M1 Page 1 of 3 External Picture Antenna location FCC ID: 2A8PH-M1 IC: 29282-M1 Page 2 of 3 FCC ID: 2A8PH-M1 IC: 29282-M1 Page 3 of 3

Page 1 of 1 Label location

UNDERWATER SCOOTER Model: M1 IPX8 Battery: Date: YYMM FCC ID: 2A8PH-M1 IC: 29282-M1 JIANGSU YOUMAY ELECTRIC APPLIANCE CO., LTD No. 20 YuLan Road, XuYi Economic Development Zone, XuYi County, HuaiAn city, JiangSu Province, China. 22.2V 5m M1-01

FCC ID: 2A8PH-M1 IC: 29282-M1 Page 1 of 5 Internal Picture FCC ID: 2A8PH-M1 IC: 29282-M1 Page 2 of 5 Antenna FCC ID: 2A8PH-M1 IC: 29282-M1 Page 3 of 5 FCC ID: 2A8PH-M1 IC: 29282-M1 Page 4 of 5 FCC ID: 2A8PH-M1 IC: 29282-M1 Page 5 of 5

Jiangsu Youmay Electric Appliance Co., Ltd. SAR COMPLIANCE REPORT Report Type: FCC SAR assessment report Model: M1 REPORT NUMBER: 220702618SHA-002 ISSUE DATE: Oct 24, 2022 DOCUMENT CONTROL NUMBER: TTRFFCCSAR-01_V1 © 2018 Intertek Intertek Testing Services Shanghai Building No.86, 1198 Qinzhou Road (North) Caohejing Development Zone Shanghai 200233, China Telephone: 86 21 6127 8200 www.intertek.com TEST REPORT This report is for the exclusive use of Intertek's Client and is provided pursuant to the agreement between Intertek and its Client. Intertek's responsibility and liability are limited to the terms and conditions of the agreement. Intertek assumes no liability to any party, other than to the Client in accordance with the agreement, for any loss, expense or damage occasioned by the use of this report. Only the Client is authorized to permit copying or distribution of this report and then only in its entirety. Any use of the Intertek name or one of its marks for the sale or advertisement of the tested material, product or service must first be approved in writing by Intertek. The observations and test results in this report are relevant only to the sample tested. This report by itself does not imply that the material, product, or service is or has ever been under an Intertek certification program. TTRFFCCSAR-01_V1© 2018 Intertek Page 2 of 8 Report no.: 220702618SHA-002 Applicant: Jiangsu Youmay Electric Appliance Co., Ltd. No. 20 Yulan Road, XuYi Economic Development Zone, HUAIAN Jiangsu 211700, China Manufacturer: Jiangsu Youmay Electric Appliance Co., Ltd. No. 20 Yulan Road, XuYi Economic Development Zone, HUAIAN Jiangsu 211700, China FCC ID: 2A8PH-M1 SUMMARY: The equipment complies with the requirements according to the following standard(s) or Specification: KDB447498 D01 General RF Exposure Guidance v06 FCC Part2.1091, FCC Part2.1093 FCC Part1.1307(b) PREPARED BY: REVIEWED BY: Project Engineer Teddy Yin Reviewer Wakeyou Wang Report No.: 220702618SHA-002 TEST REPORT TTRFFCCSAR-01_V1© 2018 Intertek Page 3 of 8 Revision History Report No. Version Description Issued Date 220702618SHA-002 Rev. 01 Initial issue of report Oct 24, 2022 Report No.: 220702618SHA-002 TEST REPORT TTRFFCCSAR-01_V1© 2018 Intertek Page 4 of 8 1 GENERAL INFORMATION 1.1 Description of Equipment Under Test (EUT) Product name: UNDERWATER SCOOTER Type/Model/PMN/HVIN: M1 Description of EUT: The EUT is an UNDERWATER SCOOTER that contains a transceiver of 915MHz. Rating: DC 22.2V Category of EUT: Class B EUT type: Table top Floor standing Software Version: M1 V1.0 Hardware Version: M1 V1.0 Sample Identification No.: 0220804-19-002 Sample received date: Aug 4, 2022 Date of test: Aug 4~30, 2022 1.2 Technical Specification Frequency Range: 914.875-915.125MHz Support Standards: LORA Type of Modulation: FSK Channel Number: 3 Data Rate: / Channel Separation: 125kHz Antenna Information: PIFA antenna, 3dBi Report No.: 220702618SHA-002 TEST REPORT TTRFFCCSAR-01_V1© 2018 Intertek Page 5 of 8 1.3 Description of Test Facility Name: Intertek Testing Services Shanghai Address: Building 86, No. 1198 Qinzhou Road(North), Shanghai 200233, P.R. China Telephone: 86 21 61278200 Telefax: 86 21 54262353 The test facility is recognized, certified, or accredited by these organizations: CNAS Accreditation Lab Registration No. CNAS L0139 FCC Accredited Lab Designation Number: CN0175 IC Registration Lab CAB identifier.: CN0051 VCCI Registration Lab Registration No.: R-14243, G-10845, C-14723, T-12252 A2LA Accreditation Lab Certificate Number: 3309.02 Report No.: 220702618SHA-002 TEST REPORT TTRFFCCSAR-01_V1© 2018 Intertek Page 6 of 8 2 SAR Assessment Test result: Pass 2.1 SAR Test Exclusion Limit 100 MHz – 6 GHz and ≤ 50 mm Report No.: 220702618SHA-002 TEST REPORT TTRFFCCSAR-01_V1© 2018 Intertek Page 7 of 8 100 MHz – 6 GHz and > 50 mm < 100 MHz and < 200 mm Report No.: 220702618SHA-002 TEST REPORT TTRFFCCSAR-01_V1© 2018 Intertek Page 8 of 8 2.2 Assessment Results The highest PK EIRP adjusted with tune-up tolerance is 87.1-95.3= -8.2dBm = 0.15mW < 16mW (Test Exclusion Thresholds of 900MHz at 5mm). Therefore, the SAR requirement is deemed to be satisfied without test. ******************************************* END ************************************

Jiangsu Youmay Electric Appliance Co., Ltd. RF TEST REPORT Report Type: FCC Part 15.249 & ISED RSS-210 RF report Model: M1 REPORT NUMBER: 220702618SHA-001 ISSUE DATE: Oct 24, 2022 DOCUMENT CONTROL NUMBER: TTRF15.249_V1 © 2018 Intertek Intertek Testing Services Shanghai Building No.86, 1198 Qinzhou Road (North) Caohejing Development Zone Shanghai 200233, China Telephone: 86 21 6127 8200 www.intertek.com TEST REPORT This report is for the exclusive use of Intertek's Client and is provided pursuant to the agreement between Intertek and its Client. Intertek's responsibility and liability are limited to the terms and conditions of the agreement. Intertek assumes no liability to any party, other than to the Client in accordance with the agreement, for any loss, expense or damage occasioned by the use of this report. Only the Client is authorized to permit copying or distribution of this report and then only in its entirety. Any use of the Intertek name or one of its marks for the sale or advertisement of the tested material, product or service must first be approved in writing by Intertek. The observations and test results in this report are relevant only to the sample tested. This report by itself does not imply that the material, product, or service is or has ever been under an Intertek certification program. TTRF15.249_V1 © 2018 Intertek Page 2 of 26 Report no.: 220702618SHA-001 Applicant: Jiangsu Youmay Electric Appliance Co., Ltd. No. 20 Yulan Road, XuYi Economic Development Zone, HUAIAN Jiangsu 211700, China Manufacturer: Jiangsu Youmay Electric Appliance Co., Ltd. No. 20 Yulan Road, XuYi Economic Development Zone, HUAIAN Jiangsu 211700, China FCC ID: 2A8PH-M1 IC: 29282-M1 SUMMARY: The equipment complies with the requirements according to the following standard(s) or Specification: 47CFR Part 15 (2020): Radio Frequency Devices (Subpart C) ANSI C63.10 (2013): American National Standard of Procedures for Compliance Testing of Unlicensed Wireless Devices RSS-210 Issue 10 (December 2019): Licence-exempt Radio Apparatus (All Frequency Bands): Category I Equipment RSS-Gen Issue 5 (April 2018)+A1(March 2019):General Requirements for Compliance of Radio Apparatus PREPARED BY: REVIEWED BY: Project Engineer Teddy Yin Reviewer Wakeyou Wang Report No.: 220702618SHA-001 TEST REPORT TTRF15.249_V1 © 2018 Intertek Page 3 of 26 Content REVISION HISTORY................................................................................................................................................ 4 MEASUREMENT RESULT SUMMARY ..................................................................................................................... 5 1 GENERAL INFORMATION ............................................................................................................................. 6 1.1 DESCRIPTION OF EQUIPMENT UNDER TEST (EUT) ..................................................................................................... 6 1.2 TECHNICAL SPECIFICATION .................................................................................................................................... 6 1.3 DESCRIPTION OF TEST FACILITY .............................................................................................................................. 7 2 TEST SPECIFICATIONS ................................................................................................................................... 8 2.1 STANDARDS OR SPECIFICATION ............................................................................................................................... 8 2.2 MODE OF OPERATION DURING THE TEST ................................................................................................................... 8 2.3 TEST SOFTWARE LIST ............................................................................................................................................ 9 2.4 TEST PERIPHERALS LIST ......................................................................................................................................... 9 2.5 TEST ENVIRONMENT CONDITION: ............................................................................................................................ 9 2.6 INSTRUMENT LIST .............................................................................................................................................. 10 2.7 MEASUREMENT UNCERTAINTY ............................................................................................................................. 11 3 RADIATED EMISSION ................................................................................................................................. 12 3.1 LIMIT .............................................................................................................................................................. 12 3.2 MEASUREMENT PROCEDURE ............................................................................................................................... 12 3.3 TEST CONFIGURATION ........................................................................................................................................ 14 3.4 TEST RESULTS OF RADIATED EMISSIONS ................................................................................................................. 16 4 POWER LINE CONDUCTED EMISSION ......................................................................................................... 20 4.1 LIMIT .............................................................................................................................................................. 20 4.2 TEST CONFIGURATION ........................................................................................................................................ 20 4.3 MEASUREMENT PROCEDURE ..................................................................................................................…

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FCC ID: 2A8PH-M1 IC: 29282-M1 Page 1 of 3 Test Setup FCC ID: 2A8PH-M1 IC: 29282-M1 Page 2 of 3 1. Radiated Emission Above 1GHz Below 1GHz X axis FCC ID: 2A8PH-M1 IC: 29282-M1 Page 3 of 3 2. Conducted Emission