Features: Standard H. 264 video compression Standard G. 722 audio compression Support D1,CIF resolution, IR 20 Meters Pan: 20~355°,Tilt: 0°~90°,Speed:15° /s Built-in web server,support IE browser monitor, IE configure, IE upgrade The bit rate variable assures the real-time transfer User management support three level user & password Alarm I/O support motion detection, date, time, event trigger Support image capture, image mask Image Sensor 1/ 3” 420TVL/520TVL SONY CCD CCD Resolution 542(H)×586 (V ) /752(H)×582 ( V ) Pan/Tilt Pan: 20 ~355°&deg; , Tilt: 0&deg; ~90&deg; Speed 15°/s IR LED IR 20 meters Algorithm H.264 CPU HI3510 FLASH 8M DRAM 32M OS Built-in Linux system Audio G.722 8bit/s Resolution D1,CIF Frame Rate PAL:1-25fps NTSC:1-30fps Audio Input/Output √ Motion Detection √ Minimum Illumination 0Lux(IR on) Lens 6mm /F1.2 Day/Night √ Alarm In/Out 1 in /1 out Network Interface 10/100MbaseT,RJ-45 Network Protocal HTTP,TCP/IP,UDP,DNS, Multicast, RTP, RTSP Security 3 level password authority protection , 128bit encrypt atithmetic IE Browser √ RS485 √ DDNS √ Temperature: -10 &ordm;C-50 &ordm;C Humidity: <85%RH Voltage DC12V/ 3.0A Product Dimension 134*124* 136mm Box Dimension 170*165* 125mm , 1pcs/box Carton Dimension 510*450* 170mm , 6pcs/carton Box NW/GW 0.61KG / 0.82KG