Pineapple Electronics through eBay has Ring Alarm 5 Piece Security Kit for $99.95 (regularly $199.99) with Free Shipping for a limited time.

The Ring Alarm is a new and affordable home security system. It includes a base station, keypad, range extender, a motion detector, and a contact sensor. No professional installation required. There are no long-term commitments or cancellation fees and 24/7 professional monitoring service is available for $10 a month.