SallyBest&reg; HD 420TV Lines 170 Degree Lens Waterproof Night Vision Car Rear View Camera Universal Auto Vehicle Parking Reverse Backup Camera HD 420TV lines & 170 degree wide angle lens. Power Supply: DC 12V. Display a reversed camera image on the monitor to duplicate the normal view seen in a rear view mirror. It's a night vision camera, you can easily get the clear situation in your back. Waterproof, high-definition, can be used both in car and home. Fit into most vehicle key holes, no other installation needed. Low power consumption and low maintenance. Can help avoid incidents and accidents abrasion well. Compact design, easy to install and operate.