5440D Bluetooth Lock Box

Lock Box

Model No. MA/5440D

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5441D Bluetooth Lock Box

Wall Mount
Lock Box

Model No. MA/5441D

Learn More
Share Access

Share Access

Share permanent or temporary access with Master Lock Vault® eLocks App, or manual codes

Guest Activity

Guest Activity Auditing

View lock history, including guest addition/deletion, guest unlock/open/relock activity

Tamper Alerts

Tamper Alerts

Multiple unsuccessful keypad entry attempts trigger email and app notifications

Low Battery

Low Battery Alerts

Warning light on keypad as well as email and app notifications


Ideal Access Control Solution for:


commercial property

REntal/Vacation property

Job site




Features & Benefits:

Open and manage lock boxes with smartphone

Master Lock Vault eLocks App
Download on the Apple App Store
Android App on Google Play

  • Use the free Master Lock Vault® eLocks App
  • Schedule access now and in the future
  • Provide permanent or temporary access


  • Easy to use and to access with no need for secondary key card
  • Grant or revoke access to an individual without effecting other authorized users
  • Large storage capacity for keys and key cards
  • Easy to replace, long-life battery (CR123A)

Optional manual code access via keypad when a smartphone is not available

Use the app or the web to track usage

Security and durability

  • Solid body with protective coating prevents scratches
  • Weather resistant to -40° F


  • No monthly data package or shared access fees
  • No activation or monthly usage fees
  • No long-term contracts

Shackle Removal

MA/5440D Bluetooth®
portable lock box

Removeable shackle for easy
installation or removal.

Wallmount Open

MA/5441D Bluetooth®
wall mount lock box

Built for permanent installation
on a wall or flat surface.

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