silver 4 rear car parking reverse reversing sensor buzzer LED

Parking sensors are not only an advanced safety tool, but it is also an accessory of great value that increases the prestige of your vehicle. The device is capable of signaling any eventual visible or invisible obstacle behind a vehicle. In fact Parking sensors are a safety system that improves low speed maneuvers. This 4 sensor system combines audio detection when reversing, This Parking sensor will help prevent accidentally damaging your vehicle (and other vehicles) while reversing. Sensors in the bumper make it possible to detect those hidden objects and accurately judge distances behind your vehicle. Help Detect low walls The system omits a beep-beep sound from the display. The shorter the interval between beeps, the closer you are to the object until a solid beep indicates to stop Automatically turns on when you put your car into reverse. Simultaneous audio/visual obstacle warning. Fits any make or model automobile. Driver friendly operation. Voltage range:DC12~24V The temperature on work:-20?~+80? Operating frequency:40KHz Detection accurate:<±5 cm Detection distance: to 2.0 meters The best range: <0.9 meters Piezo-speaker:80~100dB(at 30 cm distance)