Available modelsDS-PEA102R Wired network10 M/100 M Self-adaptive Ethernet port Power supply12 VDC Audio input1-ch Built-in Omnidirectional MicrophonePickup Distance: 5 m Audio output1-ch 3 W Build-in Loudspeaker Alarm input1 Power consumption≤6W Configuration toolsIVMS4200 Tamper-ProofSupported Dimension(WxHxD)179X114X43.5mm Alarm output1 ProtocolTCP/IP, RTSP, HIK-SIP, Standard SIP, ISUP Firmware upgradeSupported Admin1 User APP for operatingSupported Audio compression code rate16Kbps;64Kbps Sound pressure80dB, Sound Can be Configured Separately Audio encoding/decoding standardG.711U;G.726;AAC