Model GT-NHS-DWH65IA Compression:                 H.264 Main Profile@Level 3.0 & Mjpeg Video Resolution:            PAL:352*288(CIF),704*288(2CIF),704*576(D1)                              NTSC:352*240(CIF),704*240(2CIF),704*480(D1) Streaming Fmat:              Optional Video Streaming Audio&Video composite Streaming Frame Rate:                  PAL: 1-25frames/second                              NTSC:1-30frames/second Compression Bitrate:         32Kbit/S～16Mbit/S Audio Input:                 1channel,linear input Audio Compression:            G.726 Audio Output:                1channel,linear output Suppted Protocols:           TCP, UDP, IP, HTTP, FTP, SMTP, DHCP, DNS,ARP, ICMP, POP3, NTP, IPsec, UPNP,RTP,RTCP system Interface:            10M/100M self-adapting Ethernet pt, 1 RS485 pt (suppts transparent protocols) WiFi pt（802.11b/g wireless netwk) 4GB SD card(Suppt up to 32G SD card) Alarm Input:               1 channel on/off input,suppting NO(nmally open) NC(nmally close) sens Alarm Output:              1 channel on/off output,120VAC 1A/24VDC 1a Speed:                     Hizontal :MAX240deg/s, Vertica :MAX240deg/s Angle:                     Hizontal:360deg endless ,Vertical:0-90deg Preset:                    220pcs,4pcs of auto patrol lines Houing:                    Aluminum Zoom Camera:              650tvl sony 1/3” ccd,Effio dsp,27x optical zoom,0Lux,(IR led ON) IR range:                 Max130m,ir led auto switch at 8x zoom,(adjustable) Input Power Supply:       12V,4A Current:                  1.15-2.99A Maximum Power:            Less than 36W(All IR LED on),51W(IR LED+Heater) Temprature contl:         Heater+Fan,-30℃ ~ 50℃ System Requirements:      Operation System:Microsoft Windows 98/ME/2000/XP/2003/Vista/win7                           Browser:Microsoft Internet Expler 5.x above Gross weight:             6.5KG Packing size:             31cmx31cmx45cm