Reversing radar system for car with 4 sensors and buzzer1、Multiple Alarm Modes: Car radars built-in Russian/English voice, beeping and mute alarm mode, long press button to switch, short press to adjust the volumes, eight levels adjustable. 2、Sound Alarm: The alarm supports multiple alarm mode switching, as the distance to the obstacle is shortened, the alarm sound will become faster and warn the driver in time. 3、Easy to Use: When the vehicle is engaged in reverse gear, the reversing radars system will automatically enter the detection working state, easy to operate without manual intervention. 4、Accurate: The detection accuracy of the sensor is 300-2500mm, and the display can accurately show the distance of obstacles and remind you to stop the car in time. 5、Easy to View: High-quality LCD digital display shows obstacle distance and direction in real time through red/yellow/blue color matrix, which is clear at a glance and convenient for drivers to assess the situation. 6、Reliable Quality: Dual CPU design, quick response, support probe self-check function, abnormal status prompts, preventing reverse collision caused by probe damage. 7、Easy Installation: Flush mounting design with drill bit for easy drilling holes on car bumper. It is compatible with 12 V vehicle in the market.