HIKVISION DS-7204HGHI-SH HD TVI technology Full HD1080P (2Mpixel) High Resolution HARDWARE H.264 & MPEG4 Technology, 4 x Input Ports BNC, 1 x VGA, 1x HDMI 1080P: 1920 × 1080 / 60Hz, Real time Display, Recording 1080P , motion detection, Network Interface WEB server, 1 audio, USB, remote control, Sata Disk Interface, RS485 PTZ controller, Dual Stream, Mobile & iPhone Software, dimension (315 × 242 × 45mm), 19-inch rack-mounted 1U chassis, Play all cameras simultaneously on the main screen (Multi Playback). Support IP Cameras.