Features: *High Quality Material: This product is made of high-quality material, durable and wear-resistant, not easy to break, can use for a long time. *Three Unlock Modes: Fingerprint door lock support four unlock modes: fingerprints, IC cards, passcodes and mechanical keys, You can set according to your needs. *Fingerprint Quick Opening: Fingerprint door lock adopt advanced biometric fingerprint technology, open the door just need 1 second. You can add 50 groups fingerprints, Eliminates the trouble of forgetting to bring the key when you go out. *Battery Powered: Smart door lock requires 4 AA batteries not included, it has low battery reminder function, equipped with a USB interface for emergency charging. *Easy Installation: Fingerprint door lock is easy to install, no wiring and no drilling. Fit both left handed and right handed doors. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Size: 18.5*13.2*8.2cm Power supply mode: 4*AA batteries not included Package List: 1 x Smarts Door Lock