Aposonic 16-Channel H.264 AHD/HD-TVI/Analog/IP 4-in-1 Surveillance DVR, HDMI/VGA/BNC Output, Mobile Access, Mac Ready (No HDD) 1080P-Lite/720P/960H/D1/Half D1/CIF Recording / Playback Quality. Recording 1080P-lite @ 12fps, 720P @ 15fps, 720P-lite/960H : 25 fps (PAL) / 30 fps (NTSC) Auto detects AHD/HD-TVI 1080P, 720P, or Analog cameras. 3.5" SATA HDD Bay x 1, max 6TB. RS485 x 1 , Audio In x 1 / Out x 1. IPC x 2 (3MP/1080/960P/720P), total 12Mbps Powerful Configuration capability of Live-view, Recording, Playback, Motion, Backup, Remote access. Friendly Graphical User Interface Dual streaming technology to encode recording stream and network stream separately. Support NAT function, QR code scanning by mobile devices. Live view and access control through Internet Explorer, Firefox, and Mac OSX/Safari. Streaming live video / playback on mobile smart phones or tablets via free app.