Built-in IR LEDs for night vision Real-time MPEG-4 and MJPEG compression (dual codec) Supports dual streams simultaneously Supports 3GPP mobile surveillance Built-in 802.11b/g WLAN Privacy button to pause monitoring Stylish design for home decoration Specifications: Image device: 1/4 CMOS Focal length: f = 3.6mm Min illumination: 1.0 lux Image compression : MPEG-4, MJPEG Max frame rate: 30fps/640 x 480 Aduio compression: G726(50/32/16Kbps) Simultaneous viewers: 16 Network protocols: TCP, UDP, IP, ARP, ICMP, DHCP, DNS, HTTP, FTP, SMTP, NTP, PPPoE, UPnP, DDNS Stream type: RTSP/RTP/RTCP, 3GPP, ASF Wireless LAN IEEE802.11B/G Frequency: 2.412 to 2.462GHz Dimensions: 85 x 85 x 30mm Weight: 170g (main body)