SmarDeer Fingerprint lock for Tuya Bluetooth smart lock Keyless entry Biometric Fingerprint Type-C and mechanical key unlockThe digital electronic lock has a built-in rechargeable lithium battery. The battery life can reach 8-12 months.You can manage smart door locks through the Tuya App, and close up you can manage door locks and unlocking through Bluetooth. Remote unlocking and management require a connection to the smart gateway.The spherical fingerprint lock has a built-in biometric fingerprint sensor, which has fast recognition speed and high recognition degree. Support 20 fingerprint IDs to unlockTuya smart fingerprint lock supports mechanical key unlocking (old-fashioned unlocking method), and can be unlocked with a key when the door lock is out of powerThe door lock supports three locking modes: access mode, normal mode, and safety lock mode.You only need to lightly rotate the door lock knob to change the locking mode.The fingerprint door lock has a built-in Type-C emergency power charging port. When the door lock is out of power, you can provide power to unlock the door lock through the power bank.Door lock configuration 60-70mm adjustable Single Latch. Helps you easily replace old locks without drilling holes.Fingerprint locks are used for doors with a thickness of 35-55mm, if your door thickness is greater than 55mm, please contact us.