4 Ways To Unlock: Door Lock 4-in-1 with fingerprint + password + app + Key Fingerprint recognition rate up to 99.8% and open the door just need 1 second. Can use mobile phone to unlock, or you can set a temporary password and share it with friends, visitors or housekeepers. Suitable for families, hotels, schools and garages. Support ios and android devices. It has low battery reminder function, equipped with a USB interface for emergency charging., Weight: 0.110231131 Pounds, Manufacturer: nmbhus