The Yale Sync Module creates the link between your Smart Door Lock and your Yale Sync alarm, making your home security even smarter Open your Yale Smart Door Lock from anywhere in the world, automatically disarm your alarm by unlocking your Yale Smart Door Lock and know that your door is securely locked, when you are away from your house Compatible with Yale Conexis L1 Smart Door Lock and Yale Keyless Connected Smart Door Lock Simply fix the contact to any door or window throughout your home and rest assured that your home is protected Has the ability to integrate with lights and voice assistant to enhance your security system