Specifications: Operating Voltage Rating: DC12V Max Power: Pmax80dB Ultrasonic Frequency: 40KHz Features: This parking sensor comes with Dual CPU, 4 sensors systemobstacle orientation indication This radar sensor comes with bright Mini VFD DisplayBuzzer type with on-off switch This Car Sensor system will help you to avoid those costly backup collisions that happen so easily The more important, car parking sensor can help save the life of a small child. Once installed, the system will automatically turn on you put your doing reverse. If an object is detected while backing up, the system omitsAudible beeps, as well as shows the distance on the TFT monitor telling you the distance from the object The car parking sensor will fit any make of carvehicle, van, caravan, trailerhorse boxes. So that is a parking sensor for any vehicle - your vehicle, anywhere in the world operational in all conditions Package Included: 4 x Sensors 1 x Control Case 1 x LED Display 1 x Webcam 1 x Power Cable 3 x Data Cables 2 x Hole Saws 1 x Horn