1.Adopt American OV IC, industrial used and all weather condition design
2.120°backsight angle, professional optics lens                                                                                                              
3.Infrared dark sight function, can view images clearly at night
4.Colorful and standard screen image, which can be around mirror image
5.Waterproof design, security authentication
6.Can connect to car display used for car backsight function
7.need to drill hole at car