Unopened, unused, new Qrio Lock Q-SL2 Black Qrio Lock Black Smart lock utilizing SONY's technology Achieve a smart, keyless life with hands-free unlocking and auto-locking No construction required, just attach with double-sided tape OK for rental apartments See the URL for details https://qrio.me/smartlock/ Search terms Smart lock Security Safety Monitoring Auto-lock Retrofit Entrance Door Electronic lock Alexa compatible