CCTV Security camera 480 TVL high Resolution Vandalproof Turret Dome Cameras IR vari-focal 3.5-8MM Outdoor/Indoor security and surveillance weatherproof CCD camera 28 Built-in Infrared LED, may work under zero degree of illumination environment 3.5-8MM externally adjustable for wide view angle Automatic back-light compensatory function Automatic tracking white balance Free power supply One year limited warranty