Function: 

1. Fingerprint

2. password

3. TUYA app

4. Dynamic password

5. Mechenical KEY

1. Material: alluminium alloy+Pure brass+SUS304 2. unlock way: tuya app+ fingerprint+ card+ key 3. Usage:can be simply installed on both new and existing doors (it can be used with any type of mechanical lock compatible with European profile cylinders) 4. Purpose: it is the best flexibility and cost effectiveness of installation, both on new doors and in retrofitting