Supports 170 degree wide angle, making every corner at the back of the car to been seen clearly, help car car driving safer. To be connected with any rearview monitor and display on the monitor. Constructed of ABS material, totally waterproof, can work perfectly regardless of the bad weather like rainy days. It is for parking & back up car, help reduce incidents and accident abrasion. It is suitable for most vehicles that use a standard USA license plate.