Model:be-200wb image sensor:1/2" cmos effective pixels:1600*1200 min illuminace:0 s/n ratio:>48db electronic shutter: 1/25s-1/20, 000s ir led:42*f5 ir distance:30m~40m ir filter:support lens: standard 4.0, power supply:dc12v working temperature:-10degree~+60degree video frequency: h.264, support 1ch d1 @25fps+1ch cif@15fps dual stream compression output code rate:0.1m~2mpbs, 1~30f/s protol:tcp/ip, ftp, pppoe, dhcp, ddns/ntp/upnp operation: support osd, real time video transmission, store a replay, video download, motion detection and i/o alarm, picture pop-up, client remote monitoring software audio input: 1ch mic input audio output:1ch, impedance 16kω, output power(30mw), can connect with earphone or amplifier commuication interface:1rj45 10m/100m self adaptive ethernet and 1 rs485 interface video output:1 vp-p composite output(75ohm, nbc).