Logitech offers its “dented box” Logitech WiLife Outdoor Video Security Master System for $299.99. Apply coupon code “logi_ovsms_12119″ and it falls to $149.99. With free shipping, that’s the lowest total price we could find by $90. It includes one weather-resistant camera, a USB receiver, and Command Center PC software. This system features expandability to up to six cameras, motion-activated email and mobile phone alerts, free remote viewing (via a password-protected online account), and more. Coupon ends December 17.

Note: This is a “dented box” unit; although the box may be scratched or dented, the contents are new with a full Logitech warranty.