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The Master Lock No. 5440D Bluetooth® Portable Lock Box. Open and manage with your smartphone or with temporary or permanent codes. Monitor who visits and when through the App and notifications. Removable shackle can be managed with the App or a traditional code. Large capacity to hold key cards or traditional keys. Long life battery is easily replaceable. Solid body durability and coated surface to protect hardware and door finish. Works with the free Master Lock® Vault Home App.

  • Open and manage with your smartphone.
  • Use the FREE Master Lock Vault eLocks App for Android or IOS.
  • Can also be accessed by entering a traditional code on the keypad.
  • Schedule access now or in the future.
  • Provide permanent or temporary access.
  • Removable shackle for easy portability and installation.
  • Use the App or web to track usage.
  • Tamper alerts and low battery warnings.
  • Large storage capacity for keys and access cards.
  • Easy to replace battery (CR123A preinstalled)
  • The free Master Lock® Vault Home App is designed for personal use, supporting up to 10 locks.
  • Low battery warnings.

Product Specifications

Body Width 3-1/4in
Body Width (Metric) 83mm
Shackle Diameter (A) 2/5in
Shackle Diameter (A) (Metric) 10mm
Shackle Height (B) 1-2/5in
Shackle Width (C) 1-4/5in