Mechanical Colour-Material : Silver /Metal Dimensions WxHxD : 128.0 x 43.8 x 87.14mm (5.04'' x 1.725'' x 3.43'') Weight : 391g (0.86lb) Operational Video In : CVBS : 1.0vP-P/75O composite, NTSC/PAL auto detection Video out : CVBS : 1.0vP-P/75O composite, Loop-out De-interlacing Filter : Built-in Event Trigger : Motion detection, Alarm input, Video loss Alarm I-O : Input 1 ea / Output 1 ea (Relay) Remote Control Interface : 1 ea RS-485 (Half duplex) RS-485 Protocol : Samsung - T/E, Pelco- P/D Network Ethernet : RJ-45 (10/100BASE-T) Video Compression Format : H.264, MPEG-4, MJPEG Resolution : 704 x 480, 640 x 480, 352 x 240, 320 x 240 Max Framerate : 30fps Video Quality Adjustment : H.264, MPEG-4: Compression level, Target bitrate level control MJPEG: Quality level control Bitrate Control Method : H.264, MPEG-4 : CBR or VBR, MJPEG : VBR Streaming Capability : Multiple streaming (Up to 10 profiles) Network Audio I-O : 1ea line in /1 ea line out Audio Compression Format : G.711 u-law Audio Communication : Bi-directional audio Protocol : TCP/IP, UDP/IP, RTP(UDP), RTP(TCP), RTSP, NTP, HTTP, HTTPS, SSL, DHCP, PPPOE, FTP, SMTP, ICMP, IGMP, SMMPV1/V2C/V3(MIB-2), ARP, DNS, DDNS, ONVIP Security : HTTPS(SSL) login authentication, Digest login authentication IP address filtering, User access log Streaming Method : Unicast / Multicast Max User Access : 10 users at unicast mode Memory Slot : SD /SDHC memory slot ONVIF Conformance : Yes Web Viewer : Supported OS : Window XP /VISTA/ 7, MAC OS Supported Browser : Internet Explorer 6.0 or Higher, Firefox, Google Chrome, Apple Safari Central Management Software : NET- i- viewer Electrical Input Voltage-Current : 12V DC, PoE (IEEE802.3af) Power Consumption : Max. 4W Environmental Operating Temperature : 10°C (+14°F~+122°F) Humidity : 20%~80% RH