Fast Fingerprint UnlocAdopts biometric sensor with 99.9% accuracy, unlocks in 0.3 seconds, your finger is the only key needed.4-in-1 Unlock MethodsSupports fingerprint, user/one-time password, mechanical key and APP control, ideal for family, guests and emergencies.No-Drilling Easy InstallationNo need to drill holes on indoor wood doors, install in minutes without damaging furniture, perfect for rentals/B&B.WiFi; APP Remote ManagementCompatible with smart APP for remote unlock, temporary password generation and user log tracking, great for B&B/office.Multi-User; CapacityStores up to fingerprints and user codes, suitable for large families, shared apartments and commercial use.