The NextBolt NX3 EZ Mount Edition is the most sophisticated digital door lock available on today's market and is a solid option for securing commercial properties and the home. It's produced by Actuator Systems, the sales leader in the biometric keyless locks industry. Instead of relying on insecure keys (which can be lost or stolen) it uses fingerprint recognition technology to provide fast entry and greater security. It's a tough lock, capable of standing up to the elements. It's easy to install, even for a beginner. It's suitable for the majority of standard door sizes, and it's available in several attractive finishes.