The smart Lock U100 has a long battery life, lasting up to 8 months. Once the lock is discharged you will be notified, and its AA batteries can be easily replaced. Embedded high-precision fingerprint reader that stores up to fingerprints and a matte keypad allows access with permanent, periodic and one time passwords. Compatible with matter, Google Home, Alexa, IFTTT and more, allowing it to be easily used in smart home automation. You can check the lock status in Aqara Home App, and the built-in Gyroscope enables the U100 to lock automatically after the door is closed