Anytime when we want to stop or park a car and this product can help us a lot seeing everything behind us.The 170 Wide Angle HD Night Vision Car Rear View Camera Reverse Backup Parking Camera gives you a 170 degree wide angle view of the area behind your vehicle， in clear， colored pictures with distance scale lines that tells you how far nearby objects are. The camera is accorded with IP67 waterproof rating to make sure it is working in windy， snowy and rainy days.Main Features:● High waterproof grade: IP67● High-definition and 170 degree wide viewing angle● Applicable to variety of vehicles: Car， truck， RV， etc.● Snap-in design， it is easy to install● Its simple and modest design and small size will not draw any attention● It helps to avoid incidents and accidents abrasion well● TV system: NTSC● Horizontal Resolution: 480 TV lines● Effective pixels: 648 ( H ) x 488 ( V )● Minimum illumination: 0.2 lux● Lens: 13.5mm● View angle: 170 degree● Working voltage: 9 - 12VInstallation:Connect the yellow video output connector to terminal display deviceConnect the black power input connector to power output device Type: Rear View Camera Working voltage: 12V Waterproof level: IP67 Night vision: Yes Lens angle: 170 degree Connectivity : Wire Video format: NTSC Minimum Illumination: 0.2 lux Connection interface: RCA Material : Plastic Video format: NTSC Package weight: 0.227 kg Package size (L x W x H): 13.5 x 8.0 x 6.0 cm / 5.31 x 3.14 x 2.36 inches Package Contents: 1 x 170 Degree Wide Viewing Angle Waterproof Reverse Backup Car Rear View Camera1 x Power Cable1 x Video Cable1 x Hole Saw ( 20mm )1 x English User Manual