Product Features: The system starts to operate automatically when the vehicle is attached to the reverse gear. The position that can be replaced with sound warning (closed/low/high) rear protection (22mm) sensitive sensors with 0.01 % error margin of the vehicle starts to operate automatically when the vehicle is reversed, and thanks to the sensors, it detects the rear objects even in rainy and dark weather, even in different temperature temperatures. Sensors can be painted in black color. WaterproofingSes, the output, gives sound via iceer. The detection distance is activated when it approaches 2 meters and the “beep” Öter 90 cm 2. The sound accelerates in the 2nd stage and the “beep-bip” 30 cm 3.