Specifications: Compression Hardware support MPEG4 Video format PAL and NTSC Video input 4 ch BNC, 1.0Vp-p / 75Ω Audio input 4 ch mono input, 600Ω RCA Video output 2 PAL/NTSC S-Video output (BNC), 1.0Vp-p / 75Ω, 1 VGA output Audio output 2 ch output, 600Ω RCA Monitor image resolution D1, PAL=704?76, NTSC=720?80 Playback image resolution CIF, Half D1, D1 Display speed Each channel realtime Record speed CIF=25fps/ch, HD1=12.5fps/ch, D1=6.25fps/ch Motion detect Yes Network Internet / Intranet Web Client IE PTZ control yes Alarm in 4 ports Alarm out 4 ports, alarm relay 12VDC，500MA Power supply DC 12V Working temperature -10篊 - 55篊 Working humidity 10%-90% Dimension 250L?73W?0H (mm) Weight 1.5Kg without HDD