COOLINT CM-43LAD Auto-dimming 4.3 Inch LCD Dual Video Rear View Mirror Monitor OEM Replacement Bracket for Original Car Look Auto-dimming and auto brightness adjustment. The brightness of monitor will be changed automatically according to the enviroment brightness to protect the driver's eyes from any dangeouse especially in night may caused by over brightness of the screen. Safe your driving at any enrionment especially night.. CM-43LAM 4.3 Inch multi-media rear view mirror monitor works with DUAL VIDEO input. AV1 is for DVD/VCD/GPS/TV/front camera etc. video input devise. AV2 is for rear view camera. Automatically Parking Assistance. When rear gear is engaged the rear view system automatically switch to display backup camera video. And when the monitor is powered off, the mirror functions just like a normal rear view mirror. The rear mirror will come with OEM bracket which can replace original car mirror perfectly. Original equipment look and good quality, clear and colorful picture. For this single monitor item, rear view camera is not included in package. Please select suitable COOLINT brand cameras separately.