Features:
¡ñ  Highly reliable professional DSP solution, super powerful RTOS, realize industrial level MTBF
¡ñ  Optimized H.264 video compression algorithm to make transmission of High Definition video over low network bandwidth .
¡ñ  Support real-time video surveillance output
¡ñ  Support PAL/NTSC composite video
¡ñ  The most advanced technology of network transmission server to realize
multi-user visit and multi-level password authorization management
¡ñ  Built-in Web Sever to realize remote surveillance, control and setting via IE.
¡ñ  Support remote software update function
¡ñ  Bi-directional real time transmission of audio talk-back
¡ñ  Network self-adapting technology to adjust video frame rate automatically
according to the network bandwidth.
¡ñ  Provide video loss,motion detection and sensor alarm functions
¡ñ  Provide RS485/RS232 serial port with several built-in high-speed domes
and decoder protocols, supports transparent protocols.
¡ñ  Support image masking, image capturing
¡ñ  Auto-retrievey function and auto-connection if the network interrupts
¡ñ  Powerful web function£¨Support DHCP¡¢PPPOE¡¢FTP¡¢DNS¡¢DDNS¡¢NTP¡¢Email¡¢IP authority¡¢IP search¡¢web alarm center£©,£¨WEB¡¢client viewer£©

Technical Specification:
Video Input 4channel composite video, PAL or NTSC
BNC interface,1.0Vp-p,impedance 75Ohms
Video Compression H.264
Video Definition PAL:352*288(CIF)
NTSC:352*240(CIF)
Video Parameters Brightness,Hue,Contrast,Saturation,Image quality.
Streaming Format Optional Video Streaming or Audio&Video composite Streaming
Video Frame Rate  PAL: 1-25frames/second
NTSC:1-30frames/second
Video Compression Bitrate 16Kbit/S¡«4Mbit/S
Audio Input 4 channel BNC interface
Audio Compression G.711
Audio Output 1channel BNC interface
Audio talk-back input 1 channel ,MIC interface
Storage Interface Support USB/PC
Communication Interface 1 10M/100M self-adapting Ethernet port,1 RS485 port,1 RS232 port
Alarm Input  4 channel on/off input, supporting NO(normally open) or NC(normally close) sense.
Alarm Output  4 channel on/off output,120VAC 1A/24VDC 1A
Input Power Supply DC 12V,2A
Maximum Power Less than 3W
Operating Temperature -10 ~ +55¡æ
Operating Humidity 10 ~ 85%
Size 285mmx185mmx80mm
Weight 0.98kg