The AMiO LED-GRAF display has a screen with a graphically represented vehicle (front, back, left, right) and indicates the distance from the obstacle with an accuracy of tenths of a meter. Built-in loudspeaker (buzzer) warning about an obstacle has the ability to mute. Full specification: Display size: 7,5 x 7 x 2,4cm Cable length: ~6m Alarm: color + sound Power: 12V Frequency: 40kHz Working temperature -30 °C - +70°C