... 4000Kbps variableSecurityMulti-level user access with password protectionSupport protocolsTCP/IP,HTTP,UDP,RTP/RTCP,RTSP,DHCP,PPPOE,UPNP, ... HDD(Optional),USB,SD card,RS232,RS485 interfaceSDKSDK available for application development and system integrationOS RequirementMicrosoft Windows 2000/2003/ ... mmWeight2.8kg EV-801 CCTV 8 CH Economic H.264 Video Server Support SD Card wireless/wired for ip camera