GW Security 1/3-Inch Sony Exview HAD CCD II with Effio-E DSP Devices CCTV Dome Indoor Security Camera - 700TVL, 2.8-12mm Varifocal Lens 1/3" SONY Super HAD II CCD 700TV Line Day/Night video recording camera Built in 2.8~12mm Manual Varifocal Lens which allow you to adjust the angle of View Built-in 30 Pcs infrared LED, can work at 0.1 Lux minimum illumination OSD Menu, Electronic Shutter Adjustment and Auto Gain Control 1 Year Warranty and Free Life Time Tech Support From U.S.A.