... output,BNC connector.l Built-in SD card slot, support SDHC card.l Support protocals:RTSP,RTP,HTTP,TCP/ ... power supply(options).Specifications:ModelGT-IPC4100TypeHD IP Box CameraCPUARM9,32 bit RISCNetworkLANRealtek 10/100M BASE-TXWiFiRalink 2.4GHz 802.11b ... -in OR External accessAudio Output1 channel linear outputStorage InterfaceSDHC card supports video storage and image snapping; SD2.0 standard ...