Features: License Plate Camera Sony Effio Chipset High Resolution, 700 TV Lines Weatherproof IR Night Distance: 250 Feet 1/3" Sony Effio Effective Pixels:976 (H) x 508 (V) ELC AGC AWB 84IR, 0 Lux Vari-Focal Lens 5-50mm support 12V DC, 2000mA(not included in package) click here to buy:Camera power supply Quality Certifications: CE mark, FCC (Federal Communications Commission)WARRANTY TERM ONE year warrantyMore information about this camera: There"s no installation manual, because this camera has been pre programmed, you don"t need to change any setting for that. The only thing you need to do is to mount the camera on the wall, then zoom the lens to the position that you want.General knowledge for all license plate camera in the market, there"re 3 limitations: 1. Camera has to be mounted straight to the license plate, the angle has to be less than 30 degrees, because you may get refection when you have more angle. 2. The car speed should be lower than 30 miles. 3. The license plate size has to be bigger than 1/15 of the screen. Furthermore, if you want this camera to block the car headlight at night time, please get into the camera OSD menu (the button is on the camera cord), then turn on HLC (back light compensation). Note: If you have any further question about this camera, please contact us via email or amazon message