BW&reg; 700TVL 1/3" Sony CCD 2.0 Mega Varifocal Zoom CCTV Surveillance Camera with OSD Menu Night Vision Infrared to 180 Feet Built-in infrared LED, may work at -20c~60c / 10% ~ 95%RH 2.0 Megapixel 2.8-12mm Lens Lens focus and zoom are adjusted from outside by the button back of the camera The infrared project distance is in 30 meters. Automatic backlight compensatory function