Brief introduction of this wireless PC lock: Have you ever noticed the remote anti-theft device for car? Car drivers always take out a small thing, press it with "beep" and then go away. When getting back, take the small thing and “beep” again, then drive the car away. Now similar products come to market for our computers. Its name is Wireless PC Lock. Details of this wireless PC lock: Wireless PC lock consists of two parts, one is signal receiver (just like a USB disk), and the other is signal Transmitter. When installing the software with the product, you need to set a password (maximum of 64 Characters). After install the software, plug the signal receiver into the USB port of your computer, and put the button battery into the signer transmitter, now everything finished. Benefit of this wireless PC lock: 1. Unique security password, 2. Computer will automatically enter lock mode when  the  user leave for more than 2 meters away  from the computer; 3. When the computer is under the locked mode, only entering the password can unlock it if there is no signal receiver or transmitter; 4. Multiple computers can share the same Transmitter; 5. Support Windows 98SE/2000/ME/XP; 6. Battery life around 2,000 hours Specification: 1. Package include one signal receiver and transmitter, one CR2032 3V battery, one driver CD 2. Universal Frequency: FCC／315MHz, CE／ 434MHz 3. Battery for transmitter: DC 3V, battery life around 2,000 hours 4. Power supply for signal receiver: DC 5V, use the USB power of the computer 5. Support Windows 98SE/2000/ME/XP