MLH31B Digital lock

MLH31B Digital Lock
MLH31B Digital Lock
All prices include GST
Colour :

Delivery fee ($25) will apply to all orders under $250.00.

Delivery fee for International order will be quoted. Please contact us by for a quote.


This is a smart fingerprint Bluetooth control system door lock. It has a simplified appearance, design and convenient WiFi App management system. Hold the handle and press fingerprint to unlock in one step.





  • Unlocking methods: Fingerprint/PIN/RFID Card/App/Manual Key
  • Identification Time: <0.1S
  • Material Made: Zinc Alloy
  • Colours Available: Black
  • Application Places: Residential, Apartment, Home, Office, Airbnb
  • Panel size: 270mm * 70mm * 19mm
  • Door Thickness: 30mm ~ 75 mm
  • Working Temperature: -20°C ~ 70°C
  • Working Humidity: 10% ~ 95%
  • Voltage: 6V (8xAAA Batteries)
  • Low Voltage Warning: Below 4.8V
  • Battery Duration: Support 10,000 times of lock and unlock operation
  • Data Capacity: Unlimited
  • Language: English, Chinese, Spanish, Portuguese, Russian, French, Malay and more
  • Warranty: 2 years