Sam's Club offers its members the Lorex 1080p 6-Channel DVR Security System with Four Wire-Free Cameras with Rechargeable Battery Packs for $349 plus around $5 for shipping. That's $200 off list and the lowest price we could find, although we saw it for $5 less in January. It features night vision, motion alerts, and remote viewing via a smartphones or tablet. It includes a 16GB microSD card, but it can also support 2.5" SATA HDDs up to 8GB or microSD cards up to 128GB (sold separately). Deal ends April 1.