Cables Unlimited USB-2200 0.256GB USB 2.0 Type-A Black USB flash drive

Automatic USB PC Lock Cables Unlimited's USB Wireless Security lock is a simple yet effective way to ensure computer access is limited to an authorized user. Each kit includes a USB receiver dongle connected to the PC, and a access transmitter, which is to be carried by the user. When the user moves more than 2 meters away from the PC, the security dongle will disable access until the user has returned to the PC.