Justdeals via eBay offers the VuPoint EZ Secure Hands-Free USB Proximity Lock
, model no. SKMT03, for $13.99
with free shipping
. That's the lowest price we could find for a proximity lock by $12. It uses a pre-set range to quickly lock your computer as you leave and quickly unlock it when you return. Features include a remote, USB dongle, and active range settings of 10, 23, and 39 feet. Deal ends February 6 at 5:18 pm.