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
LCD screen size: 5″. 2.4G hz Wireless Color Video Receiver -Wireless transmission of video signal, no cabling hassle. Lens: Wide angle, 170°. Horizontal Resolution: 420 TV lines. 1 x Reverse Monitor.
eBay
When parking the car, the rearview image appears on the screen automatically. Trapeziform sign direct parking. 5" TFT LCD - monitor. Connect the extension cord to your car monitor. 1 x 5" TFT LCD HD 800x480 Car Monitor.
eBay
Electric Shutter PAL:625 Lines.25 Field /sec NTSC:720 Lines.25 Field/sec. There is Parking Assist to help park safely. Parking Assist. HD color CCD lens, with a resolution of 720×576, captures wonderful pictures even under low light conditions.
eBay
Car Rear View Reverse Camera Parking Backup Cam HD Night Vision Waterproof 170° Specifications: Material:ABS Voltage:12V Waterproof grade:IP68 Lens angle:170° Image sensor: Color CMOS Image quality: HD 720P Placement on vehicle :rear Fit for:Universal Car / Truck / Pickup / SUV Features: *170° Viewing Angle A car Reversing Camera with a 170-degree wide lens angle meets your need while driving forward or backing up. The camera lens is also adjustable vertically to get the optimal angle. *Night vision mode .
eBay
Universal Fixed Angle Surface Mounted Reversing CameraFull-Colour High-Res Image.
eBay
● Available lighting: 0LUX with 18 IR LEDs. ● IR project distance: 15M. ● Video output: 1.0Vp-p 75Ω, negative pole. When there is no video signal, it will turn into a blue screen. -Screen type: TFT LCD screen, 16:9.
eBay
Fixed headrest mounting (optional scaffolding mounting accessories). Reversing rear view function, displays rear image automatically. Image chip :CCD. Screen aspect ratio :16:9. Lens: 2.8mm. The video signal disappears, showing a blue screen.
eBay