170 degree viewing angle macro lens & High Resolution Color CMOS image sensor; * IP67-compliant Dustproof and Waterproof, can be easily mounted on the license plate; * Build-in distance scale lines display, with trapezoid electronic ruler function; * Versatile compatibility can be connected to any type of monitor with RCA video input; * Flush mount and easy to install, perfect for Sport Vehicle, MPV, Passenger Vehicle, Truck or Lorry.