Master Lock 5441D

Bluetooth Wall Mount Lock Box

Reviews (2) | Customer Questions (7)


Your phone is your key! With the free Master Lock Vault eLocks® app you can easily add multiple user profiles with permanent or temporary access, schedule access to specific times of day, and be notified with tamper alerts. Individuals without the app may also use the traditional number pad to open this spacious lock box.

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SKU: 5441D
  • 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
  • Includes mounting hardware for easy 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)
  • Portable shackle model also available

Master Lock 5441D Bluetooth Wall Mount Lock Box. Utilizing the convenient and free Master Lock Vault eLocks® app for your smartphone you can add multiple guest profiles, schedule access remotely, and even limit access to specific times of day. The app will also provide notifications letting you know when the lock was accessed and by whom, multiple unsuccessful attempts, as well as low battery warnings. Wall mounting kit provides easy installation. The scratch-resistant lock box is spacious enough to hold key cards and regular keys.

Exterior Dimensions

5 (H) x 3-1/4 (W) x 2-5/16 (D) in.

Inside Dimensions

3-39/64 (H) x 2-1/2 (W) x 1-7/64 (D) in.

Code Length

up to 8 digits

Code Capacity


Smartphone Compatibility

Android 4.3 or later, iOS 8 or later

Battery Type


Battery Life

2 Years


Weather resistant to -40°


Master Lock


Master Lock


Black, Silver


3 lbs


1 Year Manufacturer

Share your thoughts!

5 out of 5 stars

2 reviews

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What others are saying

  1. Works great!

    DEBORAH A KLUG (verified owner)

    We have it for our rentals at the Grange. People accept it pretty well. Haven’t had any issues so far.

    (0) (0)

    Something wrong with this post? Thanks for letting us know. If you can point us in the right direction...

  2. William Cunninghame (verified owner)

    Easy to install and performs as advertised. A recommendation: add one or more hooks on the inside to hang keys.

    (0) (0)

    Something wrong with this post? Thanks for letting us know. If you can point us in the right direction...




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Customer Questions & Answers

  1. Q Do I need internet for this? answer now
    Asked by Kevin on March 19, 2019 5:31 PM

    No, this operates via Bluetooth. So while you are within range of the lock you can update it with new codes and download audit trails. 

  2. A

    These are the US versions and the communication Protocols are different in Europe than they are in the US. While it will work with most US equipment it can have trouble with European phones and that is due to the communication protocols. 

  3. A

    Yes, it has an unlimited number of users. 

  4. Q How many lock boxes can I connect to the app? answer now
    Asked by Brad on June 13, 2018 5:47 PM
    The master lock app is able to connect at this time 145 devices to it, however, there is a big update that is planned for the fourth quarter this year that will allow up to 1000 devices. 
  5. A This will only show you updates or alerts when in the vicinity of the lock. There is no internet connection to this lock, it is strictly Bluetooth connection.
  6. Q How often do you need to replace the battery? answer now
    Asked by Michelle on May 30, 2018 12:12 PM
    A Most electronic locks are fitted with a battery life of up to 2 years depending on use.
  7. A For programming purposes yes you will need to be within Bluetooth range in order to change the code on the lock.

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