1) 2.4G wireless connection 2) Image sensor: 1/3 Color CMOS 3) TV System: NTSC 4) Car Rearview System can view 150 degrees wide angle with wide picture 5) Car Rearview System Low illumination, 2.0Lux 6) Car Rearview System is Viewable as long as 3 meters at night 7) Car Rearview System Waterproof level: IP65 8) Car Rearview System is Easy installation for car and bus 9) Power: DC 5V / 150mA