Fingerprint Door Lock Thumbprint Door knob with Code Backup Key, Smart Biometric Door Knob Keypad Keyless Entry Door Lock with Handle for Bedroom Home Apartment Office(rotundity)

Keyless Entry Door Lock: Fingerprint door lock supports multiple ways to unlock. Suitable for doors of bedroom, home, office, apartment, garage, storeroom, warehouse, basement and so on Passage Mode and Emergency Charging: Fingerprint door knob is powered by 4 AA batteries (not included), if the batteries are depleted, you can use the USB to connect a mobile power supply for temporary charging of the biometric door lock. Press and hold the rear handle button for about 5 seconds and hear the voice announcement to switch the normally open mode on or off Smart App Control: You can use APP to control all functions, such as unlocking the door, adding fingerprints and passwords, managing users, viewing real-time door opening records, locally storing door opening records and so on Easy Installation: Smart door lock with handle fit most standard doors, both right and left hand doors are compatible, easy to install, just need a screwdriver, easy to replace the existing door locks.