Varifocal DC-iris lens. 1/4" progressive scan CMOS. Connects over wireless LAN (IEEE 802.11g) or wired Ethernet. Exchangeable antenna. Down to 0.75 lux. Up to VGA 640x480 resolution at full 30 fps frame rate. Motion JPEG and MPEG-4. Video Motion Detection and I/O for alarm/event handling. Two-way, full duplex audio AAC/G.711 with built-in microphone. Power over Ethernet. Includes antenna, adjustable stand and power supply.