The USB Wireless PC Lock with Timer. Ingeniously, this wireless computer device not only locks the PC when you move away, but also shuts it down after a certain user definable time via an inbuilt timer. Just right for knocking off work early. Or getting fired. Whichever comes second. $29.00.
You can protect your private data in your computer by plugging in this USB Wireless Security Lock. It changes into Lock Mode when user is 2 meters away from computer. And computer will resume when user is within the effective range. Computer can be set timer to enter Lock Mode for parents to prevent kid from using PC too much time.