HIKVISION DS-7332HWI-SH HARDWARE H.264 - MPEG4 Technology, WD1 resolution 960H (Recording at 960 * 576), 32 x Input Ports BNC, 1 x Output BNC, 1 x VGA, 1x HDMI 1080P: 1920 × 1080 / 60Hz, Display Real time, Recording WD1 @ 25 fps real time, max rec 960 * 576, motion detection, Network Interface WEB server, 4 audio, USB, remote control, 4 * Sata Disk, RS485 PTZ controller, Dual Stream, Mobile & iPhone Software, dimension 445 (W) × 390 (D) × 70 (H) mm, 19-inch rack-mounted 1.5 U chassis, Play 16 cameras simultaneously on the main screen (Multi Playback).  Alarm I / O 16 input, 4 output