Amazon offers the LaView 8-Channel 6-Camera Infrared DVR Surveillance System with 2TB Hard Drive, model no. LV-KND988P86D242-T2, for $649.99 with free shipping. (Target offers it for the same price.) That's the lowest total price we could find by $294. It features six 1080p IP cameras, night vision with up to a 100-foot range, and mobile connectivity.