Features
1.Super Waterproof Lens - You don’t worry driving on a rainy day even washing your car with a high-pressure water gun
2.170 Degree Super Wide Viewing Angle Lens - That's perfect for you to check the invisible blind spot clearly. Keeping you and your vehicle away from danger
3.4 LEDs Night Vision
4.Suit For Most Types of 12V Vehicles
5.Easy installation - Connect to any type of monitor with a composite yellow RCA jack for crystal clear resolution mounted inside will fit into most vehicle key holes, no other installation needed. 
Work Requirements
1.Power supply: DC 12V.
2.Operationg Temperature: -4- 158 (℉) 
Specifications
Image Sensor:     PC1030 1/4 Inch Color CMOS
TV System:     NTSC/PAL.
Effective pixels:     648 x 488
Video Format:     PAL/NTSC(Automatic throw-over)
Dynamic Range:     > 60db.
S/N Ratio:     > 48db.
Lens Angle:     170 Degree.
Sensor Area:     3.63mm x 2.73mm.