CCTV 4 channal, china CCTV 4 channal manufacturer, CCTV 4 channal wholesale center

Product Name CCTV 4 channal Country of Origin China specifications Specifications:2 Sensor-Capacity: 4 external IR or microwave sensors / 4 pairs plug-in connector-Record out time: up to 30 seconds programmable2 Display Frame-NTSC: 120fps, 4x30fps-PAL: 100fps, 4x25fps -NTSC: max. 7.5fps(each mode) -Pal: max.6.25 fps(each mode)2 Recording Hours- NTSC: 1,680 hour/1fps ( full screen)- PAL: 1,475 hours/1fps ( full screen)2 Compression Format ( each mode)- Modified MJPEG- Low: 12KB/per frame- Normal: 15KB/perfrme- High: 20kb/per frame2 Search - Mode: time, date, camera, HDD- Fast forward: FFx2, FFx4, FFx8- Playback: rewind playback ( skips back every 1200kb video2 Security- Password protectionKey Feature:n Optional LAN Connection Allowing Users to view home and office areas from any location.n Real-time watching and digital recording from up to 4 cameras of 4 areas simultaneously.n Supports dual hard disks recording and overwriting selectable while hard disk is fully recorded.n Provides OSD ( On-Screen Display) menu for easy operationn Can be connected to any TV, no special monitor requiredn Advanced image compression technology, 40GB hard driver up to 2 month recording time and can be upgraded to two 120GB for up to 12-month recording time.n Recording schedule is programmable for continuous, manual or event-driven recordingn Can zoom images in full screen while detecting motionn Multi-screen monitoring, 1 to 4 screens available.