GW Security HD-SDI 1/3" 2.1 Megapixel CMOS Camera Progressive Scan 1080P HDSDI CCTV Surveillance Security Camera Vari-Focal 2.8~12mm Lens, 72PCs IR LED, 180 feet IR Distance 1080P Video Output Mode, HD-SDI Video Output Level HD-SDI 1/3" 2.1 Megapixel CMOS High Quality image sensor Built in 2.8~12mm Manual Zoom Vari-Focal Lens which allow you to adjust the angle of View 72 PCS infrared LED, OSD menu,Vandal proof & water proof Great for Outdoor or Indoor Use with 1 Year Warranty and Free Life Time Tech Support From U.S.A.