As one of its daily deals, Woot via Amazon offers the Zmodo 4-Camera NVR Indoor/Outdoor Surveillance System, model no. ZP-KE1H04-S, for $159.99 with free shipping. That's $20 under our mention from last spring and the lowest total price we've seen. (It's also a current low by $60.) It features a four-channel NVR, four weatherproof security cameras with 2.8mm wide-angle lenses, cables, network remote access, sensor and alarm, 720p recording resolution, and night vision to 65 feet. Note that no hard drive is included.

Also available is the Zmodo 4-Camera 1TB NVR Indoor/Outdoor Surveillance System, model no. ZP-KE1T04-S-1TB, for $179.99 with free shipping. That's the lowest total price we could find by $50. It features similar specifications to the above model, but also includes a 1TB hard drive. Both deals end today.