4 Parking Sensor Kit Rear Backup Radar System Parktronic Reverse Assist Distance Detection Vehicle Buzzer Alarm Original

The built-in sensor is very nice-looking, just like the original part of the car. Features:1: When the product is working, ultrasonic waves are used to detect obstacles around the car, and danger warnings are initiated through sounds, numbers, cursors, and so on.2: Driving is a dangerous job, and accidents cannot be controlled. Products can help identify and avoid hazards.3: The product has multiple sensors that can conduct comprehensive detection to confirm that blind spots are not dangerous.4: Easy to install, beautiful appearance, and easy to use, making it a great assistant for driving a car Specifications:Rate voltage: 9V~16V DCRate operating range: 9V - 16V DCDetection range: rear: 0.3M~2.3MRate current: 100mA - 300mAUltrasonic frequency: 40KHzControl moudle working temperature: -30 - 80 celcius degreeDisplay working temperature: -20 - 70 celcius degreeSensor diameter: 16.5mmInstallation mode: DrillingSound: Heart beat type, more recent alarm more rapidlyThe box is specially designed to lock the wires tightly  and avoid bad contact due to vibration of the car!