Features: 
1. Standard version with 4 in 1 unlocking ways:
    Fingerprint, password, key, card--which each of them with 100 capacity except the key, 3pcs key defaulted;
2. Optional for Tuya smart Wfi with unlocking records and remote control from the cell phone;
3. Optional for TTlock APP
4. Optional for  RF Remote control, the controller frequency is 433MHz;
5. Battery supported working--4X 5# Alkaline batteries. OR DC 12V power supply against your using frequency;
6. With semiconductor fingerprint reader head;
7. Double cylinder and Single cylinder provide on request;
8. Its widely fit for wooden door, iron door, aluminum door, Sheet steel door, etc...
9. Its wide application for home, apartments, office, etc..
10. Cost-saving, easy-installation, simple-flexible operation;