1. ACC detection

　　Can detect the ignition status of the vehicle, used to determine whether the vehicle is in the ignition state. Used to improve positioning accuracy, calculate parking time without stalling, and for fault diagnosis when GPS/Beidou satellite signal is blocked.

　　2. Monitoring function

　　Able to monitor voice in the car when needed.

　　3. Historical area vehicle inspection

　　One click query of license plate numbers, trajectories, etc. of a unit vehicle in a certain area during a certain period of time

　　4. Multiple map switching

　　Multiple maps can be switched for querying, including various electronic maps, satellite maps, topographic maps, and street view maps.

　　5. Multiple query methods

　　At the same time, it provides support for various query methods, including webpage car search, computer software management, and mobile client car search.

　　6. 3D motion sensor

　　Devices equipped with Yu Dong sensors can determine the movement, parking, and turning of vehicles based on their vibrations. Thus changing the working frequency of GPS/Beidou satellite positioning. Significantly reduces power consumption while the vehicle is stationary, preventing data loss during cornering

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