Feature:1. Constructed from high quality ABS material for longlasting performance, dependable to use.2. Designed with protective circuits and high quality components to prevent overheating or overload.3. Enhance safety for passengers, pedestrians and family members who happen to be around the moving car.4. As road blocks get closer, the beep warning with on/off key will sound more frequently, which can avoid dangerous and costly collisions in the future.5. Simple installation, comes with a complete and detailed English manual, save time and effort.Specification:Condition: Brand NewItem Type: Parking Radar SystemMaterial: ABSColor: As picture shownCurrent: <200mAInput Power: 12V DCWorking Temperature: -30 - + 80Voice Alarm: 65dBUltrasonic Frequency: 40KHzSensor Detection Range: Approx. 0.3-2.0m/1.0-6.6ftDiameter of Sensor: Approx. 16.5mm/0.6in.Package List:1 x Buzzer 1 x Radar Host 4 x Sensor Probe 1 x Drill Bit 1 x Power Cord 1 x English Manual 3 x Paster4 x Fixed Buckle