Four channel pc style digital video recording

Wholesale Price:     £510.19

Camera input: 4 ch. Display speed:120fps ntsc, 100 fps pal. Recording speed (max): 120fps ntsc, 100 fps pal. Specification: camera input: 4 ch, display speed: 120fps ntsc, 100 fps pal, recording speed (max): 120fps ntsc, 100 fps pal, image resolution: 640 x 480, 352 x 288, 320 x 240, image compression: h.264 / Mpeg-4, audio input: 1 channel audio input with microphone, compression ratio: 50-150m/c/h, recording option: motion-detection, alarm, continual modes, search and playback: intelligent search and 4ch playback , backup: ide/usb/ remote backup, network protocol: tcp/ip , ptz control support: rs232-485, digital decorder , support watermark technology, support dynamic ip by dynamic domain name, able to create new users and right management , support scheduled continue or motion-detection recording, features:high speed network transmission, superior image clarity ,built with 9-bit adcs, easy to install and use, free software upgradeable, built in win 98/2000/xp(optional), package content: dvr body , power cable , install cd , main connection: vr?keyboard?mouse?monitor?camera?power supply, power on?open surveillance software?view video.