There is another sensor at the front of the mirror monitor, it can sense the brightness of strong light from the back of the car, and then drive the reflectivity of the anti-glare mirror. When the brightness is less than 20Lux, SPM-TSR anti-glare mirror will start working.
eBay
7" High quality TFT LCD monitor. It's very outstanding device for car reverse system. Screen: up/down/left/right. 1 x 6M Aviation Connector Video Cable. 1 x 10M Aviation Connector Video Cable. Support color CMOS image.
eBay
Electric Shutter PAL:625 Lines.25 Field /sec NTSC :720 Lines.25 Field/sec. Parking Assist. There is Parking Assist to help park safely. HD color CCD lens, with resolution of 720×576, captures wonderful pictures even under low light conditions.
eBay
With Built-in Digital Wireless Receiver, Digital Wireless Chip to enhance wireless signal, make its working range 30-50m-effective. Lens Viewing Angle: 120 Degrees. 5, 360° Rotation Bracket: 360°Rotation Bracket ,Strong suction and washable mount,the mount for monitor is removeable and reuseable.Two ways monitor installation.
eBay
Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Display screen: TFT-LCD high-definition screen, making the image clearer and the colors more vivid.
eBay
Electric Shutter PAL: 625 Lines.25 Field /sec NTSC :720 Lines.25 Field/sec. Parking Assist. There is Parking Assist to help park safely. HD color CCD lens, with resolution of 720×576, captures wonderful pictures even under low light conditions.
eBay
4x Black Color Parking Radar Sensors Car Reverse Backup Rear Radar System Kit Sound Alert Alarm Beeper. Detect small Children and low walls as well. Compatible with：The car parking sensor will fit any make of car or vehicle, van, caravan, trailer and horse boxes.
eBay
Screen: up/down/left/right. 1 x Aviation Connector Video Cable 10M. Support color CMOS image. TV System: NTSC/PAL. Storage temp.:-25℃~+80℃. Work temp.: -10℃~+40℃. with microphone optional.
eBay