ITEM NAME:7-LED Night Vision Car Rear View Reverse Backup Parking Camera Waterpro AZL Descriptio n Description Product Parameters Barrier-free transmission signal 100 meters, 420TV lines high resolution image sensor Imaging chip: 1/4 color cmos Waterproof design for outdoor use Visual angel lens: Diagonal angle of 170 degrees. Horizontal angle of 90 degrees 6.8G shockproof, IP67 waterproof level product quality is more stable Effective pixels: 648 * 488 Scanning Frequency: 15625khz TV system: PAL / NTSC Lens Angle: 120 Â ° Definition: 480TV lines SNR: more than 48dB Waterproof grade: IP68 Camera Size: about 25 * 3.1cm Video Input: 1.0Vp-p . 1.0Vp-p75 ohm. Power: DC12VÂ ±6V