Outline Dimension: 303*195*30mmNetwork Connector: Standard RJ45 inputCommunication Rate: 100MbpsOperation System: Linux 2.6Operating Temperature: -10°C to +55°COperating Humidity: 20% to 93%Power Consumption: ≤6WInput Power: DC12V Products features Master station of Intercom system Communicate with emergency intercoms within the intercom system Up to 1000 slave intercom can be connected without a controller Dry Contact interface (Connect different devices for additional functions) Power Over Ethernet (POE) Public Announcement, Alarm Management, Emergency Call Management, Access Control Equipped with LCD touch screen, high resolution camera, PnP feature, easy installation and setup General Specifications Communication Protocol: TCP, UDP, RTP, ARP, IGMP, HTTP, SIP Screen Resolution: 800*480 Camera: 720P Video Code: H.264 Audio Code: G.711