Amazon offers the Revo America Aero HD 1080p 16-Channel 8-Camera DVR Surveillance System, model no. RA161D4GB4GM22-2T, for $864.99 with free shipping. That's the lowest total price we could find by $115. It features four 1080p indoor/outdoor bullet cameras and four 1080p indoor dome cameras — all with night vision up to 100 feet, a 16-channel 2TB DVR, 22" LED HD monitor, 60-foot BNC cable, and secure mobile connectivity via the Aero app for iOS or Android.

Note: This item usually ships within two to five weeks