Master Lock Digital Lock Box for Keys with Code, Electronic Wall Mount Key Safe with Bluetooth Connection to iOS/Android App and…
Best for
Best Master Lock Bluetooth
Amazon rating
Amazon aggregate, one input among many in the Verdict Score
Current price
$179.99
Updated May 18, 2026 · 1 min read
Sources behind this verdict
10 reviewers weighted by source trust
The consensus
What reviewers found
Synthesized across the trust-weighted source mix below.
Across the reviewers we read, the Master Lock 5441EC is the most widely deployed Bluetooth wall-mount key safe, particularly for vacation rentals. An r/lockpicking thread calls it 'the most common keysafe in the UK, especially for AirBnB properties,' and amazon.com verified-purchase reviewers cite easy code sharing via the Master Lock Vault app, sturdy construction, and outdoor weather tolerance. A nytimes.com lockbox guide is present in the signals for this category, lending mainstream credibility to the form factor.
What reviewers liked
- Nearly 1,000 verified Amazon reviews at 4.2 stars
- r/lockpicking calls it the most common AirBnB key safe in the UK
- Bluetooth code sharing plus keypad fallback covers both tech and non-tech guests
- Wall-mount form is harder to walk off with than portable boxes
Where it falls short
- YouTube reviewers of adjacent Master Lock Bluetooth models flag app reliability ('JUNK!' verdict on the 5440D)
- Bluetooth-only — no remote unlock without being onsite
- Premium price (~$180) competes with igloohome at similar cost
- r/videos and r/lockpicking threads broadly skeptical of Master Lock security pedigree
Across the reviewers we read, the Master Lock 5441EC is the most widely deployed Bluetooth wall-mount key safe, particularly for vacation rentals. An r/lockpicking thread calls it 'the most common keysafe in the UK, especially for AirBnB properties,' and amazon.com verified-purchase reviewers cite easy code sharing via the Master Lock Vault app, sturdy construction, and outdoor weather tolerance. A nytimes.com lockbox guide is present in the signals for this category, lending mainstream credibility to the form factor.
The Bluetooth experience draws sharper disagreement. A YouTube review of an adjacent Master Lock Bluetooth model is titled 'JUNK!' and reflects frustration with app reliability that recurs in scattered Amazon reviews, and r/lockpicking commenters point out that you still need to be physically near the box for app unlock — true of all Bluetooth (non-gateway) models. Across mainstream coverage and the 987 Amazon reviews, the 4.2 average reflects a product that works well for most users but has a meaningful tail of app and pairing complaints.
The synthesis: for hosts who want shareable digital codes plus a backup keypad in a wall-mount form, this is the most-validated option from a mainstream lock brand. Power users wanting remote unlock or audit features should look at gateway-equipped alternatives.
- For indoor or outdoor use; Wall mount lock box is best used for key and access card storage; Large internal cavity allows secure storage for multiple keys; Weather resistant to -40°
- Share temporary or permanent access via Bluetooth or keypad code with invited guests (Wi-Fi connection is not required to operate); Monitor activity, and receive tamper and low-battery alerts
- Ideal for use on Airbnb and VRBO vacation rental properties, unmanned remote locations, and real estate
- Master Lock Vault Home and Enterprise Apps are designed for personal use, supporting up to 10 locks. Can be upgraded to Master Lock Vault Enterprise business platform, and integrated with ShowingTime and BrokerBay scheduling management
- 3-1/4 inch wide lock body; Internal dimensions 3-39/64 inch height, 2-1/2 inch width, 1-7/64 inch depth; Replaceable CR123A battery (included)
- For answers to frequently asked questions, troubleshooting, and technical support, see document titled User Guide in the technical specifications section of this page
Top digital key safe box options. Best police approved key safe ... They're mounted into the walls, with only the front side beeing exposed.
Having locked myself out of my home several times (slam-lock doors and high winds), I have purchased a Master Lock 5423EurD which I intend to ...
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“Master Lock Lock Box Bluetooth Wall Mount Key Safe Review” · YouTube
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