Stream and record up to four video channels with the D4WVXP HD-TVI DVR with Built-In Power Supply from Speco Technologies at resolutions of up to 4MP. Equipped with one HDD port, this DVR can accommodate up to 10TB of internal storage (1TB preinstalled). The recorder supports HD-TVI and 960H analog cameras and uses H.264 video compression to keep file sizes manageable while upholding recording and playback quality. The DVR's interface includes audio ports for four-channel audio recording and two-way audio communication, as well as HDMI, VGA, and CVBS connections for video output with support for dual streaming to maximize bandwidth efficiency. Included with the recorder are an IR remote control and a mouse.