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 with free shipping. (Non-members pay an additional $34.90.) That's $200 off list, $20 under our September mention, and the lowest price we've seen. 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.