Features: 1. The whole system consists of parking radar, ultrasonic sensors, TFT LCD monitor and front/rear view camera 2. Automatically switch to display rear (image) view when reversing gear is engaged. Specifications of monitor: Screen type: TFT LCD Screen size: 3.5 inch color monitor Resolution: 560 (H) x 234(V) Screen proportion: 4:3 Working environment: -20oC- +65oC Purpose: rearview and car reversing Power consumption: 3.0W max. Specifications of parking sensor Working Voltage: 12V DC?0% Current Consumption: 20mAh ~ 200mAh Sensor Installation Height: 45 ~ 60cm Ultrasonic Frequency: 40kHz Working Temperature: -20oC ~ +65oC Detecting Distance: 0.4 ~ 2.0m Beep Volume: higher than 48dB Specifications of camera TV System: PAL/NTSC Image Sensor: OV 1/3" Color CMOS Effective Pixels: 628*582 Resolution: 380 TV Lines Working Voltage: 12V DC?0% Current consumption: 40mA/70mA (night vision) Min. Illumination: 2.0lux Lens Angle: 90-150 degree Video Output: 1.0Vp-p/75 ohms