Protect PC with a USB PC Guardian...!

Previously I made a posting regarding wireless USB PC lock which would protect your PC in your from unwanted user in your absence and today i got another similar PC lock called the USB PC Guardian that will also protect your PC and it has a three way functioning called the Lock, Block and Guard

The Lock function is enabled by a small device that plugs directly into your USB Port and easily locks with a push button. When the USB Port Lock is installed, it effectively blocks the USB port from unauthorized use until it is unlocked.
When You need to Block the adjacent port of the locked Locked port then use the USB Port Block function which is a strong, flat metal plate that covers and blocks an additional USB port adjacent to a port locked with a USB Port Lock.
and Finally The USB Cable Guard that captures the cable of an authorized USB device, such as a keyboard or mouse, and locks it into a port adjacent to a USB Port Lock. The addition component prevents the unauthorized use of two ports while allowing use and preventing removal of the authorized USB device.
The entire kit including all three functioning device cost only $25, Find out more about this USB PC Guardian

Source : PC guardian via Ohgizmo