... 46*28*39cmNW: 0.7KGGW:0.8KG SpecificationsLED Buzzer Warning Parking sensor With2, 4,6,8 Sensors for all cars Features: "BiBi" ... audible warning buzzer in 3 steps, volume switch control3 ... User ManualWe have many styles video parking sensors ,welcome to inquiry! LED Buzzer Warning Parking sensor With2, 4,6,8 Sensors for all cars ( ...