Mwave offers the Aposonic H.264 16-Channel CCTV Surveillance DVR System, model no. A-S1604R25E, for $179.99 with free shipping. That's the lowest total price we could find by $10, although other sellers charge $239 or more. It allows streaming on most tablets and smartphones and features remote access, 1920x1080 (1080p) max resolution, up to 4x digital zoom, scheduled and motion-detected recording, 3.5" SATA bay (drive not included), USB, Ethernet port, HDMI output, and four RCA inputs.