1. Parking Sensor with 6 sensors 2. Alarm by English speech or bibi sound 3. Front and back Left and right obstacle indication Main features: 1, Compatible with any Car, Bus, Truck2, Automatic Detecting Obstacles once Reversing Gear is Activated3, Digital Distance Display of Obstacles Buzzer: Built-in the Display4, Super-Wide Detective Angle Prevents Side Impact5, LCD Indicator shows Two ...