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The MASTER LOCK Smart Connected Key Safe is a medium-sized, wall-mounted security box designed for indoor and outdoor use. Featuring dual unlocking options via Bluetooth smartphone app or keypad combination, it offers flexible, secure access management with real-time alerts and activity monitoring. Its weather-resistant zinc construction withstands harsh conditions down to -40°C, making it ideal for homes, offices, vehicles, and industrial settings. With no monthly fees and easy installation, it’s a reliable solution for modern key and access card storage.











| ASIN | B072LC6VKP |
| Alarm | Audible |
| Battery Type | cr123a |
| Best Sellers Rank | 57,042 in DIY & Tools ( See Top 100 in DIY & Tools ) 105 in Key Cabinets (DIY & Tools) |
| Brand | Master Lock |
| Capacity | 12.7 litres |
| Chamber Depth | 2.5 Centimetres |
| Chamber Height | 9.4 Centimetres |
| Chamber Width | 6.2 Centimetres |
| Colour | Black |
| Control Type | Bluetooth |
| Country of Origin | China |
| Customer Reviews | 3.8 3.8 out of 5 stars (1,042) |
| Global Trade Identification Number | 03520190943248 |
| Included Components | 1 x Select Access Smart |
| Item Dimensions D x W x H | 5.9D x 8.3W x 12.7H centimetres |
| Item Type Name | MASTER LOCK Connected Key Safe [Wall Mounted] [Bluetooth or Combination] - 5441EURD - Select Access Smart Key Lock Box |
| Item Weight | 1.11 Kilograms |
| Lock Type | Electronic lock |
| Manufacturer | Master Lock |
| Manufacturer Warranty Description | Limited 2 year warranty. |
| Material | Zinc |
| Model Number | 5441EURD |
| Mounting Type | Wall Mount |
| Part Number | 5441EURD |
| Smart Home Compatibility | Smart Home Compatible |
| Special Features | Bluetooth, High Security, Solid Durable Construction, Waterproof |
| Unit Count | 1.0 count |
| Water Resistance Level | Water Resistant |
M**E
Great product
Brilliant product. Been using for 3 years now at an Airbnb and has not let me down once or not yet had to change the battery. Easy to install and operate and to change numbers. Works with an app too so you will never forget the numbers. Super sturdy and secure and would need a proper work out with metal cutting tools to break in. Only thing is that the space inside is quite shallow and if you have a bunch of keys 5 or more they won't fit in easily. I had 2 other safes before this one and both let me down within a month so im super happy with this one.
A**H
Think carefully before purchasing this key safe.
We purchased this key safe back in Sept 2022, the date today is Aug 2023. The key safe was easy to install but somewhat a little tricky when trying to connect up to the phone app, eventually after many tires, we managed it and got the key safe working as intended. We purchased this key safe for the sole purpose of storing a key which would allow care staff, emergency services, community nurses access to my fathers property - he has very poor mobility and it's not always possible for him to get to the door. After installation, everything worked as intended, all the different services had their own number and all was good. However a couple of weeks ago (14th Aug 23), I received a phone call from the care staff, they could not gain access, the key safe was not opening. Naturally, I thought the battery might be low so I head round with a 9V battery to place on the emergency terminals at the bottom of the key safe and open it with my primary code, and a new battery to replace the old one within the unit. But when I arrived, the battery was not low, and the 9V battery I had to jump start the key safe made no difference, the key safe just did not want to open. Normally, you enter your code, the circular button turns green, there's a 'click' noise which indicates the mechanism has unlocked and you can pull the door open. What was actually happening was - Code was entered, light goes green, NO CLICK, door won't open. Even with the 9V battery attached, NO CLICK, door wont open. At this point, I started to become concerned, of course we have spare keys, but no other mechanism to externally store them securely on my fathers property. I tried to contact Master Lock to obtain some support - well I can tell you after a week I've had no email response from Master Lock and when you call the UK number, you can only speak to an answering machine. Their phone system states they are open Monday to Friday 9am to 5:30pm, however their phone system does not allow you to leave a message until 9:10am. A day and a half goes by after the initial call from the care staff not being able to get the key out, at this point I've tried opening the key safe 15 to 20 times with no success, I was about to take a hammer to the key safe to obtain the key and replace it with a different brand, but my other half insisted I tried again, so I did. This time, the key safe sprang into action and opened - I was gob smacked!! I take the key out and close the door to the key safe, I re-enter the code and it opened!!, I go to close the key safe door, but I cannot, the door won't close, so I re-enter the code and the light goes green, but I cannot close the door and there was no 'click' noise. So now I'm thinking that this unit is faulty because it's just throwing random problems - not being able to open it for a day and a half, now we cannot get the door closed. To summarise, I don't have confidence in this key safe, I work for an NHS ambulance service within the UK and I DO NOT recommend this key safe, Master Locks support is shocking. I will be replacing this key safe regardless of its current working condition with another brand, more likely a mechanical lock also.
D**N
Excellent product, easy to use and reliable
Really impressed with these key boxes. Very easy to set up using the masterlock app. The boxes themselves are very sturdy and secure and the button easy to use (we have had no complaints from contractors using them!). So far the app has been really useful for setting temporary codes at specific dates and times. There is also the functionality to set up to 5 'master' codes so you can track who has accessed the box and when.
A**D
Solid made
The lock is well made abs easy to setup via the app. The instructions with the register and activation code are inside on the leaflet. The only let down I would say is the the securing screws that are 6mm standard and could easily prized off the wall, but got some thunderbolts to secure the lock well to a masonry wall. I had to drill the holes a bit bigger to take M8 bolts but not a problem. Otherwise a great product.
F**M
Two out of three work fine....
Ordered three of these for rental property use. Have had no issues with two of these, but one is completely unreliable and either won't unlock (for weeks), and then when it miraculously unlocked stayed that way for weeks (i.e. refused to lock again, despite the app saying it had). Customer support from the UK is non-existent, and I'm still without a resolution. The concept of these is good - and as I say I have no issue with two of these. But if you do have a problem then it's not great... Would advise caution, and test thoroughly before putting into practical use.
D**Y
Not much room for keys!
Considering that this is a key safe, there is not much room for keys. I fitted the safe to my front door. Not difficult but care needs to be taken to ensure that you drill the holes correctly and in line. The enclosed screws are virtually useless and I would consider them insecure against any serious attempt to remove the safe by force. I needed to additionally purchase four suitable 5mm. threaded bolts, nuts and washers in order to make a secure job (please note that I was fixing to a door and not to masonry). I was pleased with the result though. The other problem with the safe is it's capacity. I needed for it to contain two normal sized keys (on a small key tag) and a small chub key (also on a small key tag). They barely fitted into the safe with sufficient space to close the door without it fouling the keys. This needed a bit of key 'wiggle' to enable the door to close properly. Although the operation of the safe is excellent when using the key pad to insert the correct code, I have to say that using a suitable phone (e.g. iPhone) to open it is somewhat hit and miss! Some tines it does it straight away and other (annoying) times it takes forever and is really annoying! Having said all this, on balance I think that the key safe has really good features and I feel that is very secure. Just don't expect to put many keys in it though!!!
J**1
Mycket tillförlitlig och helt ok app. Boxen har funkat perfekt. Några gäster har haft problem att ladda ner appen men det har hittills alltid löst sig tillslut
J**I
Works well BUT DOESN'T LAST LONG. This is my third Master Lock and it only lasts 2-3 years at most, not good for the price.
O**H
Je suis globalement très satisfaite. Néanmoins, acheté en mars, ce mois-ci (juillet) alors que tout semblait fonctionner - on tape le code, le bouton qui doit s'allumer en vert s'allume - voilà, impossible d'ouvrir le couvercle pour récupérer la clef... Ayant enfin trouvé le service après-vente, le conseiller m'a dit d'appuyer fort sur le couvercle PENDANT que j'entrais le code. La boîte s'est ouverte. Par contre, ensuite (toujours en suivant les conseils du conseiller), il faut légèrement dévisser les deux vis du haut. Nous avons fait tout cela, et la boîte à clef marchait de nouveau. Là, hier, le même problème de nouveau. On va devisser encore un peu plus les vis du haut dans l'espoir de régler le problème. C'est à mon avis plutôt clairement un petit défaut de fabrication. Le conseiller Masterlock comprenait TOUT DE SUITE le problème et il avait TOUT DE SUITE la solution. J'en déduis - et les avis ici confirment ma suspicion - que c'est un problème récurrent. COMMENTAIRE SUPPLEMENTAIRE APRES UNE 3EME PANNE. Masterlock possède un site européen. En remplissant le formulaire on accède à l'adresse et coordonnées de leur HQ à Paris. Je vais les appeler demain car là ce produit me cause plus de problèmes qu'il ne résout...
C**N
Excellent produit que je recommande après plusieurs années d’utilisation. Application facile à utiliser. Installation facile. C’est une vraie plus-value à mes locations
A**N
Bu fiyata efsane bir ürün. Sağlamlık tartışılmaz. Sistem de çok güzel.
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