Smart Fingerprint Door Lock Electronic Handle Digital Password Bluetooth Key APPFeature: [Multiple opening methods] Fingerprint + password + key + application, which is very intelligent and convenient. [Large capacity] the fingerprint capacity is very large and can store 50 fingerprints. Convenient for storing fingerprints of family or close friends. [Super security function] the door lock adopts semiconductor and biotechnology to provide first class security and avoid the same fingerprint. [Quick unlock] Ergonomic design. Place