Nine channel embedded digital video recorder

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Specification: motion trigger recording function supported, 9 ch input / 4 audio input, video loss detected in each channel, video quality adjustable, power-loss memory function, 1 swappable hdd, ide type (over 250gb), timer schedule recording, search by date, time and alarm, events with time recording, features: image system: ntsc/eia pal/ccir, mpeg-2 compression format, operat system: rtos, storage media: ide type, recording model: manual/alarm/timer/motion, video input: 1vp-p75? bnc,9ch, video update rate: 20frame/s(ntsc), 100frame/s (pal), recording update rate: 25frame/s(ntsc), 18frame/s(pal), data storage size: 150m-300m/hour/one channel, character display: six characters, video adjust: color/contrast/brightness, pip/zoom, alarm input: ttl input, hi(5v), low(gnd), alarm output: com/no, communication protocol: rs-232, rs-485, time display format: yy/mm/dd, dd/mm/yy, mm/dd/yy, off, power input: ac100-240v+-10% switching adaptor power dissipation: =32w, working temprerature: 10?-40?, rs-232 or rs485(bps): 9600\4800\3600\2400, dimensions: 422x100x315mm