FCC ID: 2A4JR-KY682 Mobile DVR

Product Manual Key Technology Recorder Product Manual Key (Shenzhen) Technology Co., Ltd. August 2021 1 / 6 Product Manual Speech Welcome to be the user of Kay Technology Recorder. If this manual can help and bring convenience to you, we will be very pleased. If you encounter any problems in using our products or have good suggestions for our products, please contact us, and we will give you the greatest support and express our heartfelt thanks!

Copyright Notice This manual is provided by Key (Shenzhen) Technology Co., Ltd. Due to product version upgrades, the content of the manual will be updated from time to time; In view of product customization and production batches, the content of the manual cannot be completely and completely consistent with the actual product. Description and description, if there is any difference, please refer to the actual product. This manual is only used as a user guide, and all rights of interpretation and modification belong to Key (Shenzhen) Technology Co., Ltd. No individual or unit may reproduce, extract, plagiarize or disseminate the contents of this manual in any way without the written permission of the company. Key (Shenzhen) Technology Co., Ltd. 2 / 6 Product Manual Directory 1. Product features ...................................................................................... 4 2. Product appearance ................................................................................. 4 3. Introduction of basic functions ............................................................... 4 4. Product list .............................................................................................. 5 5. Precautions .............................................................................................. 6 Key (Shenzhen) Technology Co., Ltd. 3 / 6 1. Product features Product Manual

(1) Support Chinese and English, and other languages can be customized;

(2) Support 3 channels of high-definition video input;

(3) Support 1 channel HDMI high-definition video output;

(4) The upgrade is convenient and supports local upgrade;

(5) Built-in sensors can be supported. 2. Product appearance 3. Introduction of basic functions

(1) Low-voltage alarm: when the main power supply voltage of the recorder is 24V, which is actually lower than 18V, the device gives an alarm of battery undervoltage; The main power supply is 12V, and when it is actually lower than 9V, the device will give out the battery undervoltage alarm;

(2) Positioning antenna open circuit alarm: when the antenna is not connected or the open circuit is damaged, triggering the alarm;

Key (Shenzhen) Technology Co., Ltd. 4 / 6 Product Manual

(3) Full video coverage: support real-time storage of 3-channel high-

definition camera videos, and automatically delete the earliest files when the storage limit is reached;

(4) Video playback: video playback with mobile APP is supported;

(5) Video preview: support real-time video preview;

(6) Parameter configuration: mobile APP configuration is supported;

(7) System power-off protection: when the system is powered off, the shutdown is delayed to ensure data integrity and avoid the damage of video files and file systems;

(8) Voice prompt function: abnormal state broadcast of equipment, alarm voice broadcast and other functions;

(9) Upgrade: support local upgrade procedures of TF card;

(10) Sound and light alarm: support sound and light alarm function. 4. Product list Serial Number Name Sizemm Length * width *

height Number Unit Note 1 2 3 4 5 6 Recorder main engine 15612441.5 WiFi antenna 5016.5 The GPS antenna 3000Chief, PWR&Sensor line SPK&MIC line The external speaker 2000 200 2000 1 1 1 1 1 1 set pcs pcs pcs piece pcs Hot pepper Can connect horn and MIC Key (Shenzhen) Technology Co., Ltd. 5 / 6 Product Manual 7 Take the card pin Machine mounting screw 8 5. Precautions 1 4 pcs star Take a SIM card

(1) Keep the equipment dry. Do not let the equipment and wire joint contact with water and water vapor, or operate the equipment with wet hands, so as to avoid short circuit of the equipment, failure caused by corrosion, and electric shock of personnel;

(2) Do not cause the equipment to be subjected to strong impact or vibration, so as not to cause equipment failure;

(3) Do not place the device or power supply in an area where the temperature is too high or too low, otherwise it may lead to device failure;

(4) Do not hit, throw or needle the equipment, and avoid falling or squeezing the equipment;

(5) Do not disassemble the equipment and accessories without authorization, otherwise the equipment and accessories will not be within the warranty scope. Key (Shenzhen) Technology Co., Ltd. 6 / 6 FCC WARNING 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. Any 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. To maintain compliance with FCCs RF Exposure guidelines, This equipment should be installed and operated with minimum 20cm distance between the radiator and your body: Use only the supplied antenna.

Key (Shenzhen) Technology Co., Ltd. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Subject: Request for Confidentiality FCC ID: 2A4JR-KY682 To Whom It May Concern, C5266091_X10_Ed.2 Date:

2022.02.22 Pursuant to the provisions of Sections 0.457 and 0.459 of Commission's rules

(47CFR0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure. Exhibits ID Label/Location Attestation Statement External Photos Block Diagram Schematics Test Report Test Setup Photos Users Manual Internal Photos Parts List / Tune Up RF Exposure Info Operational Description Cover Letter(s) SDR Software / Security Info Long-Term Confidentiality No No No No No NOTE 1 NOTE 1 No No Short-Term Confidentiality NOTE 2 No No No No No No NOTE 1: Long-Term Confidentiality may be permitted under special conditions (See II. LONG-TERM CONFIDENTIALITY, Section 3 of KDB 726920, use last in force) NOTE 2: Short-Term Confidentiality can be requested for a maximum of 180 days from the date of the grant. 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. In case of short-term Confidentiality, the applicant requests the exhibits selected above are withheld from public view for a period of ____45__ days from the date of the Grant of Equipment Authorization and prior to marketing. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. 1/1 C5266091_X10_Ed.2 Sincerely, Signature:

Name: Zheng Jenny Title: Product vp 1/1

C5266091_X8_Ed.1 Letter of Authorization Key (Shenzhen) Technology Co., Ltd. Company: Key (Shenzhen) Technology Co., Ltd. Address: 2nd Floor, Chuangyi Building, No. 3025, Nanhai Avenue, Nanshan District, Shenzhen, China Product Name: Mobile DVR Model Number: KY682, KY681, KY810, KY820, KY550 FCC Identifier: 2A4JR-KY682 We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name: Zheng Jenny Date: 2022.02.22 Title: Product vp Signature of applicant:

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Key (Shenzhen) Technology Co., Ltd. Model Difference Product description: Mobile DVR Model name: KY682, KY681, KY810, KY820, KY550 Trade Name: ADASPLUS FCC ID: 2A4JR-KY682 All the model are the same circuit and RF module, only for model name. Regards Sincerely Clients signature:

Clients name / title : Zheng Jenny (Product vp) Contact information / address: 2nd Floor, Chuangyi Building, No. 3025, Nanhai Avenue, Nanshan District, Shenzhen, China