1)  H.264 video compression format.
 2 )  Audio compression:MP3 / G.722.
 3 )  Video resolution:PAL: 352×288(CIF),704×288(2CIF),704×576(D1);NTSC:352×240(CIF),704×240(2CIF),704×480(D1).
 4 )  Video parameter:brightness,chroma,contrast,saturation adjustable.
 5 )  Code stream type:video stream or audio-video stream together, frame rate: PAL: 1-25fPs;NTSC:1-30fPs.
 6 )  Video compression code rate:32Kbit/S~4Mbit/S.
 7 )  Audio-in:Line in,impedance:1KΩ
 8 )  Audio-out:Line out.
 9 )  Communication interface: A self-adaption Ethernet interface(10M/100M),a RS485 interface,a RS232 interface.
 10)  Built-in multiple high speed dome and decoder protocol, and support transparent transmission.
 11)  Support wireless network bridge(external),802.11b/g wireless network;
 12)  Alarm-in:1 channel on-off input(120V AC 1A/24V DC 1A),can set up alarm out
 13 )  input power:AC 12V 3A /   AC 12V 1A
 14)  Max power:Less 15W
 15 )  Working temperature: -10 ~ +55 ℃
 16 )  Working humidity:10 ~ 85%"