Kensington Clicksafe Master Coded Combination Ultra Laptop Lock (K64681US) Lock offers effortless computer protection with just one click Keyless four-wheel combination offers 10,000 possible combinations Master code to override the set combination NOTE: Not compatible with several 2016 Dell laptops and tablets including some Inspiron, Latitude, Venue, XPS, and Chromebook 13 models that use the Noble lock slot. Please review your devices technical specifications. Designed to be the easiest to use lock available Allows authorized administrators the ability to unlock or reset locks at any time Kensington Security Anchor is designed for a secure fit and simple locking Constructed from the strongest materials to deliver the highest level of security Trusted as the first line of defense to keep computers, valuable data and contacts safe On-line Register and Retrieve service allows for retrieve of forgotten combinations Choose from 10,000 possible combination codes Attaches to laptop via the Kensington Security Slot found in 99% of computers