Mid Level SIP Audio Intercom• HD Audio/Video Linkage /Self-Diagnosis /Auto Provision• Dual SIP line, Dual SIP servers and Onvif• One touch button for emergency calling and RFID IC card reader• 2 ports delay output and 4 ports sensor short circuit input• 1 port recording output ,1 port analog audio output,1 port external audio input• 1 port external Wiegand card reader ,1 port tamper proof detection• Unlock door with DTMF or IC card reader, Active URI remote control• Ethernet RJ45 port, POE• Enhanced Aluminum alloy housing, IP65, IK10 protect,stability & reliability• Wall mounting, Products Dimensions: 200*120*38 mm