#Top advanced arithmetic-H. 264 (MPEG4 Part 10) video compression. # High stability-Double system, double safety, more stable. # excellent image quality-D1 down to CIF resolution. # Professional audio-MP3 audio format, mono or stereo is selectable. # Self-adjust the frame rate according to the network width to make network continuous transmittion. # Support auto-connection when the network is cut. # Delay time is less than 150 MSEL(0.15 second) in Lan system. # Support real watermark technology so that compressed image file can't be juggled. # Support Media Player to play the recording data. Video Compression: Hardware H. 264 (MPEG4 Part10) Input interface: 4CH BNC Input level: Vpp=1V Signal format: PAL/CCIR625 Line 50 Field NTSC/ EIA525 Line 60 Field Output bit rate: 64Kbitps-1152Kbitps Output frame rate: CIF: 25Fps/30Fps, Half D1: 12Fps/15Fps, Full D1: 5Fps/8Fps (NTSC/PAL, per 1ch) Resolution: 704*576(P) 704*480(N) 704*288(P) 704*240(N) 352*288(P) 352*240(N) Audio Compression format: MP3 Input interface: 4CH Microphone input( Vp-p=100Mv) Sampling rate: 16K Output bit rate: 8kbps--24Kbps Commnunication Web server: Built-in web server which is IE V6.0 or above Dynamic IP: Support internet connection assigned with dynamic IP address Max. Simultaneously users: 10 Interface: RS485 P/T/Z decoder interface and Keyboard interface, RJ-45 10M/100M Ethernet interface Network Protocol: TCP/IP, UDP, MULTICAST Network transmission mode: ISDN, ADSL, LAN, WAN Alarm Interface: 4CH alarm input, 4CH alarm output Motion detection: Yes Pre-record: 5-30 seconds Post-record: 30-120 seconds Hardware Power supply: AC 220+-10%, 50Hz+-1% Power consumption: <6Watts Dimension: 148X174.5X44.5mm Gross weight: 1.23KG Temperate: -10-60"C Humidity: <80%RH SDK Network SDK, DEMO software and its source code Optional Product NV301B web decoder Center management software