Disclaimer and safety warning


Copyright © Shenzhen Yangda Technology Co., Ltd. All rights reserved.Without the written consent of Shenzhen Yangda Technology Co., Ltd., any unit or individual shall not extract or reproduce part or all of the contents of this manual without authorization, and shall not transmit it in any form. The products described in this manual may contain copyrighted software by Shenzhen Yangda Technology Co., Ltd. and its possible licensors. Distribute, modify, extract, decompile, disassemble, decrypt, reverse engineer, lease, assign, sublicense, and otherwise infringe software copyright, except to the extent that applicable law prohibits such restrictions.

Safety warning

  1. Please install the corresponding antenna before turning on any switch, otherwise the equipment will be damaged easily!

  2. Please charge immediately when the system voltage is lower than 11.1V, and the limit voltage cannot be lower than 10.5V

  3. Do not disassemble or modify the system without authorization, if there is any problem, please contact professionals

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