Blue Rear Car Parking Reversing with 4 Sensor Buzzer Mini box Kit

Specifications: 1.Measuring the distance by radar 2.Alarm by three step Bi-Bi sound 3.2-8 sensors are available 4.Full-weather design, un-affected by wind, ice, snow & rain 5.Some other kinds of sensor colors and styles can be fitted. 6.High quality and easy to install Technical parameters: * Rated voltage: 12V DC * Operating range: 10.5V - 16V DC * Rated current: 50mA - 180mA * Detecting distance: 0.3 - 1.5m * Ultrasonic frequency: 40KHz * Working temperature: -30 to +70 deg. C Kit includes: Main box Four sensors and sensor spacers. Buzzer with about 2 meters cable power cable with about 60cm cable 21mm Hole Saw for drill hole on plastic bumper 3M double side sticker for stick the main box on vehicle User's manual and installation guide