[All-in-1 Fingerprint Door Lock] APP control + Fingerprint + Passcode +IC Cards (Include 3) + Backup Keys. Work with Alexa and Google Assistant & Support Voice Control (Need to pair with gateway, sold separately) [Remote Control / WiFi Access] Paired the keypad lock with Harfo wi-fi Gateway (sold separately), you can lock/unlock your keyless entry door lock anytime anywhere, you can set up codes remotely and check access records. [Easy Installation] Door lever lock fit door thickness range: 1 3/8 inch to 2 3/16 inch 35mm-55mm thick. Compatible with standard US wooden doors. Reversible door handle is suitable for both left and right handed doors. [One Touch Unlock] NEW 3D FINGERPRINT SENSOR digital door lock bring you a fast & best secure fingerprint recognition system. Accuracy up to 99.86%. Works perfect for kids and the elder. [High Quality Design] Safer and strong body, 12 months product warranty and a lifetime customer support following the date of purchase.