... DVR , digital video recorder , 3G stand alone DVR support 3G mobile surveillance HR8100 CCTV DVR , digital video recorder , 3G stand alone ... channel playback simultaneously, more convenient to search video6. Triplex: network, recording and playback simultaneously7. , OSD interface ... recording time: 500G, can record 1 month (8ch)18. ICMS softwareModel NumberHR-8108HR8216Compression formatH.264Video ...