Hardware Specification Video In / Audio In BNCx4/RCA x4 Monitor Video Out / Audio Out BNCx1/RCA x1 VGAOut (Optional) Support Standard D-SUB VGA out Alarm Input 4 input points, detectable loop circuit open/short. Relay Output 4 output control points AC 125V/12A, 250V/7A, DC 30V/7A Hard Disk Support Single IDE Hard disk Backup Function Support CF memory card backup Power 100~240VAC 50/60Hz 1.2A (Adaptor DC 12V 4A) Weight 4Kg Size (WxDxH) 195x265x65 mm Compression Technology H.264 DSP Hardware Real Time compression NTSC Max. Resolution 640x480 pixels: Max. Recording / Monitoring Speed 4 channels 120fps PAL Max. Resolution 704x576 pixels: Max. Recording / Monitoring Speed 4 channels 100fps Image Compression Rate Dynamic Compression Rate = 40: 1~240: 1 (Automatic changes depends on the image's moving situation) Average Dynamic Compression rate = 40: 1~2400: 1 Recording Quality 4 Levels Adjustment available Audio Recording 24Kbps ADPCM Recording mode. Synchronize with Video Recording Live Audio monitoring Support Live Audio Monitoring Monitor display Full screen, 4 split window display, Autoscan Alarm Function Recycle recording mode, Program recording mode (Schedule recording per each camera) Alert Alarm Sound Alert, activate recording, snapshot and relay output Alarm Log Record the alarm activated time. And to playback the images by choosing the recorded time directly Playback (Search) mode Schedule playback time. According to saved time or alarm log Playback speed Fast forward x2, x4, x6, x8, 1/2, 1/4, 16, 1/8; single frame playback, pause, Forward/Backward Skip Playback display Full screen display, 4 split window display Backup file playback function CF memory card can read files from PC; Playback using VGPlayer (V3.0 or above) Software update Software update available from our website. Update software through CF memory card. Standard lot size.