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USB powered Turret Desk Defender
By Monica on Wed Nov 21 2012
USB powered Turret Desk Defender
Gear  |  Gadget
The Portal 2 Sentry Turret USB Desk Defender, powered by USG, can guard against intruders. This motion detecting turret opens up and plays sound effects when anyone approaches your workstation. If you knock it over, it'll vibrate and be sad about its lot in life.

Via craziestgadgets