This smart fingerprint door lock supports four unlocking methods, suitable for use in homes, offices, and other occasions. It is quick to unlock and easy to use.features professional design can effectively keep your home safe. Fingerprint touch design, eliminating the trouble of forgetting to bring the key when you go out. Featured with 4 ways to unlock it fingerprint, password, app, and key. Can set a temporary password and share it with friends, visitors, or housekeepers. Made of zinc alloy material, smooth surface, the exquisite workmanship makes this fingerprint lock not easy to bend. Powered by 4 aaa batteries batteries not included, with a low battery reminder function. Equipped with a usb interface for emergency chargingusb data cable not included. Widely used in home bedroom, front door, office, and apartment. Suitable for most standard door, the applicable door thickness range is 30-55mm. Capable of covering spherical keyholes with a panel width of 65cm or within 65cm. Support ios and android devices. Specifications material zinc alloy color sliver size door lock handle 150mmlx28mmw round lid diameter 65mm battery type 4x aaa batteries batteries are not included package contents 1 x smart fingerprint door lock 1 x user manual