Standard H.264 video compression Standard G.722 audio compression Supports D1, CIF resolution Built-in web server, supports IE browser monitor, IE configure, IE upgrade The bit rate variable assures the real-time transfer User management supports three level user and password Alarm I/O support motion detection, date, time, event trigger Supports image capture, image mask Image sensor: 1/3inch 420TVL Sony CCD Algorithm: H.264 FLASH: 8MB DRAM: 32MB OS: built-in Linux system Audio: G.722, 8 bits/s Audio input/output: optional Resolution: D1, CIF Frame rate: PAL: 1 - 25fps NTSC: 1 - 30fps Motion detection: yes Minimum illumination: 0.5 lux Lens: 6mm/F1.2 Scan system: interlace Day/night: yes Network interface: 10/100MbaseT,RJ-45 Network protocol: HTTP, TCP/IP, UDP, DNS, multicast, RTP, RTSP Security: 3 level password authority protection, 128bit encrypt arithmetic IE browser: yes Temperature: -10 - 50℃ Humidity: <85% RH Voltage: DC 12V/1.0A Product dimension: ?131 x 100mm