Push button design allows for one hand installation and removal. Factory preset combination is ready to go out of the package. Eliminates need to reset before use. Resettable combination allows user to change combination if desired. Slimline design to fit even ultra thin laptops. The ultimate in portability; coiled cable takes up less space. A rotating head allows the lock to be installed on left, right or back side of laptop. Fits into the Kensington security slot found in 99% of computers.