... 1SATA HDD, Max 2048G 4-CH Alarm input DVR, Stand alone DVR, Network DVR Main Features1. H.264 main ... simultaneously playback with max 16 channel3. Mobile’s multi-monitor support4. Support USB2.0 interface to stably achieve amount ... work8. With the unique black box technology, can monitor the whole run process of the equipment, can greatly ... status of the DVR by this. DVR, Stand alone DVR, Network DVR