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. Distance Of Con For Parallel Parking:High-precision ultrasonic SensorHigh-end digital signal processing chip, crisp images and precise distance readings on your TFT-LCD screen. 3. The alarm volume is gradedthe closer the obstaclethe more urgent the sound. 4. Detectiondisplaydistance0.3--2.5mlarge obstacles 5. Alarm distance0.3--1.5m 6. High Pressure Water Resistance:Withstands high pressure washing and immersion, thanks to its multilayer waterproof design. 7. Compatible with CVBS/AHD720P/AHD1080P Camera 8. AHD Signal Support:Enhanced clarity with AHD signal support, providing a clear view of your car's surroundings. 8. Easy Installation:Comes with a drill for sensor installation and a 2.2m video adapter 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 9. -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 . 1. Rate Voltage: D.C 12V 2. Operating Voltage Range: 916V 3. Rate Current: 20200mA 4. Detecting distance: 0.3 - 2.5mlarge obstacles 5. Ultrasonic Frequency: 40KHz Package: 1 x Control Box 1 x Buzzer with 300cm line 4 x Parking Sensors with 230cm Line 1 x Video Adapter Cable with 2.2m 1 x Power Cable with 0.8m 1 x Drill 2 x Sticker 1 x User manual