1. Can store 20 fingerprints
2. Support electronic key to restore factory settings
3. Low power consumption and long battery life
4. Low battery reminder, replace the battery in a timely manner
5. Support emergency power supply from external power sources
6. Circular hole embedding installation, simple and easy
7. Can replace traditional mechanical locks without opening holes



| Item No | BFF-2301 |
| Material | ABS |
| Surface Finish | Matte Black |
| Standard Lock Body Dimensions | 86*60*22mm |
| Strike Plate Dimensions | 73*24.5*12mm |
| Battery | 3× AAA Alkaline Batteries |
| Operating Voltage | 4.5V |
| Standby Current | ≤40uA |
| Operating Current | ≤220mA |
| Low Battery Warning Voltage | 3.6V±0.2V |
| Authentication Method | Fingerprint |