Cooper 1080P/4M-N Pentabrid DVR 1080P / 4M-N Pentabrid H.265+ Cooper 1U 1HDD DVR XVR1B04H: 4 channels 15fps 1080P/4M-N + 2 IPC up to 6MP (Max 24Mbps)Features: Backup to USB Flash Drive / LAN / WAN. Wi-Fi & 3G Dongle Supported Audio 1/1; 2 x USB; Audio & Data over Coax, Smart Search, IVS, Fanless Design Max 1 x HDD up to 6TB; Supports iOS, Android, PSS, IE, P2P, DSS 4/8ch: 12V 1.5A, 197 x 142 x 41 mm / 16ch: 12V 2A, 260 x 236 x 48 mm