Media Door Bell Switch(White)

The Midea BF211-D is a smart door lock model that offers multiple ways to unlock a door, including fingerprint, password, RF card, and mechanical key. It can store up to 50 fingerprints and 25 user passwords, and it has an emergency power port via a micro USB connection.
Key features
Unlock methods:
Fingerprint recognition
Password entry
RF card/RFID card (on some models)
Mechanical key
App control (on some models)
Storage capacity: Up to 50 fingerprints and 25 user passwords.
Security: Features a temporary password unlock option and can store passwords between 6 and 12 digits.
Power: Runs on 4 x 1.5V AA batteries and has an emergency power support via a Micro USB port.
Construction: Made from durable materials like aluminum alloy.
Door specifications: Designed for doors with a thickness of 35mm to 50mm.