Presentation:

Power Supply: Battery
Protection Level: Non-waterproof
Door Thickness Fit: 35-70mm
Suitable Door Type: Steel door, Wooden door, Brass door, Stainless steel door, Others
Included Components: Listed in the package contents
Handle Function: Key and Keyboard and Fingerprint
Connectivity: Bluetooth
Unlocking Methods: APP, Keys, Mechanical keys, Password, Fingerprint, Card
Materials: Aluminum alloy
Direction: Reversible direction
Model Number: F2
XSDTS Model: F2
Made for: Smart home
Application: Tuya
Dimensions:  Length: 16.4cm Handle width: 2.8cm Width with top round: 6.5cm
Fingerprint Unlocking: Semiconductor technology
Quick Recognition: 0.3s
Temperature: Supports temperatures from -20°C to 50°C
In case of low battery:No worries. Firstly, before your handle runs out of battery, it will alert you on the app and via an indicator on the handle. If you miss this warning, no problem. There is a USB port at the end of the door. Plug in an external battery and enter using the method you have configured for unlocking. For example, if it's with a fingerprint, then unlock it with your fingerprint. If it's with a code, then enter the code. No need to wait for the product to charge. Just plug it in and enter. Once inside, you can recharge it. Or use the key provided in the package.
Smart: Yes, works with Google Assistant or Amazon Alexa
Recording Capacity: Up to 50 Fingerprints and 100 Passwords
Specifications:
  
4 ways to unlock: 4-in-1 door lock with fingerprint + password + app + key (2 included), fingerprint recognition rate up to 99.8% and door opening in 1 second. You can add 150 groups of fingerprints, eliminating the hassle of forgetting to bring the key when you go out.
  
EASY INSTALLATION: The fingerprint door lock is designed to fit all standard doors, no wiring and no drilling. Fits both left-handed and right-handed doors.
  
UNLOCK WITH THE Tuya APP: You can use your mobile phone to unlock, or you can set a temporary password and share it with friends, visitors, or housekeepers. This door lock is very suitable for families, hotels, schools, and garages. Supports iOS and Android devices.
  
EMERGENCY CHARGE: The keypad door button requires 4 AAA batteries (included), it has a low battery reminder function, equipped with a USB interface for emergency charging.