1. led parking sensor with 6 sensors 2. Alarm by English speech 3. Left and right obstacle indication. Features & Functions: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 Distances: Rear Left, Rear ...