GreenYi Video Parking 4 Sensors Car Reverse Backup Rear Buzzer Radar Monitor System, Support Display Image Sound Alert Features: 1) Using Double CPU digital fill image sensor designed for automotive Rear View development design, using digital fill software technology, clear image distance on the monitor 2) -30 to and60 temperature range of application, The factory after the high pressure water immersion test 12 hours on the electrical aging test, multilayer waterproof design, truly high pressure washing immersion 3) The Sensors Installed in the Rear bumper of the car included a Drill Detect small objects bars 4) 6m Video cable connected with any TFT-LCD screen , power cable connection car Reversing power supply, Reversing, the monitoring Parking system automatically start working, you can clearly see the car Rear the distance Image 5) Note : this link not included TFT Monitor Rear View Camera Specifications: 1 Rate Voltage: DC 12V 2 Operating Voltage Range: 9 to 16V 3 Rate Current: 20 to 200mA 4 Detecting distance: 0 3 to 2m 5 Ultrasonic Frequency: 40KHz 6 Step-up buzzer alarm Package included: 1 x Main Control Box 1 x AV Cable 1 x Speaker 4 x 22mm Sensors with 2 5m Line 1 x Saw drill head 1 x Power/Video Cable 2 x Double Side Sticker 1 x User manual