The D19-ZM is a full-size zinc-alloy fingerprint smart lock for residential entrance doors, villas, offices and security doors. It combines convenient everyday access with strong mechanical construction and flexible user management.
Unlocking Methods
- FPC semiconductor fingerprint recognition
- 6–8 digit PIN code
- Virtual-password protection up to 16 digits
- IC card
- Mechanical key
- Optional app-management configuration
Key Specifications
| Material | Zinc alloy |
| Fingerprint capacity | Up to 200 |
| Card capacity | Up to 200 |
| PIN capacity | Up to 100 groups |
| Door thickness | 38–120 mm |
| Operating temperature | -25°C to 55°C |
| Lock cylinder | C-grade cylinder option |
| Latch material | 304 stainless steel |
Product Features
- Electroplated and brushed surface finish
- Built-in doorbell function
- Automatic alarm after repeated incorrect PIN attempts
- Low-battery indicator and emergency power support
- Lift-to-lock and indoor privacy locking
- Voice prompts and access-record query