Manveri's Collection - Portal - Sentry Turret USB Desk Defender
Portal 2 Sentry Turret - Motion Activated Desk Defender with 11 Speaking Functions (Usb Powered) by ThinkGeek - Shop Online for Toys in the United States
ThinkGeek pOrtal 2 USB Motorized Sentry Turret Desk Defender + Lights & Sound | #1879821016
Portal 2 Sentry Turret USB Desk Defender
USB Portal 2 Sentry Turret Desk Defender | Gadgetsin
ThinkGeek's USB Portal Sentry Turret Will Protect Your Desk, Cake | TechCrunch