Product Features: The system starts to operate automatically when the vehicle is attached to the reverse gear. Sound warning (closed/low/high) torpedo compatible screen design (13 cm x 1 cm) with 4 sensor (22mm) sensitive sensors with 0.01 % error margin with sensitive sensors starts to operate automatically when the LED indicator is reversed and the sensor perceives the rear objects. Sensors can be painted in black color. It is waterproof type. (In the deteriorated sensor, the complete installation is not removed, it is removed from the socket and replaced.) The sound output gives sound over the screen. 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.