Features： 1、Made of high‑quality materials to insure good durability and longevity, which is reliable to use. 2、Designed with protection circuits and high‑quality components, prevent from overheating or overloading. 3、Provide increased safety for passengers, pedestrians and family members who happen to be around the moving car. 4、As road blocks get closer, the beeps with on/off keys will beep more frequently, which will prevent dangerous and expensive collisions in the future. 5、Easy to install, no complicated tools required, which can bring much convenience for you. Specification： Condition: 100% Brand New Item Type: Parking Radar System Material: ABS Color: As picture shown LED Display Current: <200mA Input Power: 12V DC Working Temperature: -30 - + 70℃ Voice Alarm:> 80dB Ultrasonic Frequency: 40 Khz Sensor Detection Range: 0-2.0M Diameter of Sensor: Approx. 16.5mm/0.6in Package List： 1 x LED Display  1 x Radar Host   4 x Sensor Probe  1 x Drill Bit (with Packing Box) 1 x Power Cord  1 x English Manual  3 x Gasket  4 x Fixed Buckle