*Support USB1.1 USB2.0 interface .Driver can support Vista/XP/2000/MAC; *support 4 channel simultaneously display on screen; Wireless digital USB Quad DVR *Maximum can support 4 cameras for quad function;*Transmission distance ;150 meters in the open area;*Support USB1.1 USB2.0 interface .Driver can support Vista/XP/2000/MAC;*Motion Detection,manual to record and capture, timer recording;*support ...
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