Hello! The SmartThings Button can control smart devices connected to the SmartThings Hub. You can link compatible smart locks to Alexa with SmartThings using the steps shown on our Support page here -- https://support.smartthings.com/hc/en-us/articles/115003111686. If you have additional questions, or need assistance, please reach out to our dedicated SmartThings team at 1-866-813-2404 or support@smartthings.com. Thank you for considering SmartThings! ~Samsung Brand Ambassador