Digital Surveillance Card Digital Surveillance Card is a device providing video monitoring on 4/8/16 channels simultaneously or full screen viewing and recording video into a digital format on PC.
Digital Video Recorder Digital Video Recorder is a device providing video simultaneously or full screen viewing and recording video into a digital format on HDD.
Digital Surveillance Box It is a device providing video monitoring on 4 channels simultaneously or full screen viewing and recording video into a digital format on PC.
