Dual Core CPU Car Video Parking Sensor Reverse Backup Radar Assistance, Auto Parking Monitor Digital Display and Step-up Alarm Features: 1) Using Double CPU digital fill image sensor designed for automotive Rear View development design, using digital fill and software technology, clear image and distance on the monitor. 2) -30 to +60 temperature range of application, The factory after the high pressure water immersion test and 12 hours on the electrical aging test, multilayer waterproof design, truly high pressure washing and immersion . 3) The Sensors Installed in the Rear bumper of the car and included a Drill . Detect small objects and 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 and Image. 5) Tips : this link not included TFT Monitor and Rear View Camera; not support AHD camera. Specifications: 1. Rate Voltage: DC 12V 2. Operating Voltage Range: 9~16V 3. Rate Current: 20~200mA 4. Detecting distance: 0.3 - 2m 5. Ultrasonic Frequency: 40KHz 6. Step-up buzzer alarm NOTE:This link not included car monitor and rear view camera. **If only connect parking sensor with DVD player or monitor, you only hear warning BIBI sound. So if you don"'"t have rearview camera , we highly suggest you buy parking sensor and rear view camera from us . Package included: Control box x 1 Power cable x 1 Connect cable x 1 Speaker x 1 Parking Sensors x 4 3M Stable Glue x 2 22mm Drill (For Sensors hole) x 1 Manual and Box x 1 Warranty and