... ICR Filter 7 Two-way audio 8 PoE and WiFi optional Specification Camera Image Sensor 1/2.5" Progressive Scan CMOS Min ... , Brightness, Contrast adjustable through client software or web browser Network Protocol Protocols TCP/IP,HTTP,DHCP,DNS,DDNS,RTP/RTSP ... 1 RS-485 interface Intelligent Alarm Motion Detection, Video Loss, Network Disconnect, IP conflict, Storage exception Alarm Input 1 channel Alarm ...