Brand | Master Lock |
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Special Feature | Keyless, Alarm |
Lock Type | Keypad |
Item Dimensions LxWxH | 5.29 x 2.22 x 1.1 inches |
Material | Metal |
Recommended Uses For Product | Security |
Style | Outdoor |
Color | Black |
Finish Type | Polished |
Controller Type | iOS, Android |
Item Weight | 12.46 ounces |
Control Method | App |
Connectivity Protocol | Bluetooth |
Manufacturer | Master Lock |
Part Number | 4401DLH |
Item Weight | 12.5 ounces |
Product Dimensions | 5.29 x 2.22 x 1.1 inches |
Item model number | 4401DLH |
Batteries | 1 Lithium Metal batteries required. (included) |
Is Discontinued By Manufacturer | No |
Size | 1 Pack |
Finish | Polished |
Item Package Quantity | 1 |
Number Of Pieces | 2, 9 |
Special Features | Keyless, Alarm |
Batteries Included? | Yes |
Batteries Required? | Yes |
Battery Cell Type | Alkaline |
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Ships from: Hearthshire Sold by: Hearthshire
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Ships from: PLEXSUPPLY. Sold by: PLEXSUPPLY.
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Master Lock Padlock, Outdoor Personal Use Bluetooth Lock, 2-7/32 in. Wide, 4401DLH
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Purchase options and add-ons
Brand | Master Lock |
Special Feature | Keyless, Alarm |
Lock Type | Keypad |
Item Dimensions LxWxH | 5.29 x 2.22 x 1.1 inches |
Material | Metal |
About this item
- For indoor and outdoor use; all-weather lock is best used for residential gates, sheds, garages, outdoor storage lockers and tool chests
- Use your smartphone to unlock Bluetooth padlock, or enter directional code on lock keypad for easy backup entry when your smartphone isn't present (Wi-Fi connection is not required to operate)
- Share temporary or permanent access via Bluetooth or keypad code with invited guests , monitor activity, and receive tamper and low-battery alerts all from your free Master Lock vault elocks app for Android and iOS. Designed for personal use, supporting up to 10 locks
- Padlock includes a 2-piece weather cover, metal body construction, boron Carbide shackle, and anti-shim locking mechanism for improved strength, security, and weather resistance; Plus military-grade Bluetooth authentication and encryption
- 2-7/32 in. wide lock body; 11/32 in. diameter shackle with 2 in. length, 15/16 in. width; extended length shackle for application flexibility; For answers to frequently asked questions, 2018 firmware updates, troubleshooting, and technical support, see document titled User Guide in the technical specifications section of this page
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From the manufacturer
Access Remastered
- Free Master Lock Vault Home app is designed for personal use, supporting up to 10 locks
- Keyless convenience: No need to worry over lost keys or forgotten combinations
- Durable full body all-weather cover protects internal lock components
- Gain greater flexibility and control: The Bluetooth padlock that allows you to share temporary or permanent access with guests or coworkers
- Monitor access history and receive tamper alerts
- Simple backup access using directional code on lock keypad
- Easy to replace, readily available CR2 batteries (included)
- Receive low battery notifications on padlock and in app
- Battery jump feature provides temporary power if battery dies while lock is locked
- Master Lock Bluetooth products are authorized to operate in the following countries: United States, Canada, Mexico, the European Union, Australia, New Zealand, Brazil, Chile, South Africa, Thailand, & Vietnam
Key Features
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Share AccessSchedule guest access via app or share temporary access via manual codes. |
Monitor ActivityView lock history, including registration, guest addition/deletion, and unlock/open/relock activity. |
Low Battery AlertsPadlock and app notifications. |
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Videos
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Customer Review: Sharing is better, for a short while.
Gary M. Talarico
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Master Lock 4400D & 4401DLH
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Product Description
The Master Lock 4401DLH Bluetooth Padlock features a 2-7/32in (56mm) wide metal body for durability. The 11/32in (9mm) diameter shackle offers 2in (51mm) vertical clearance and is made of boron alloy, offering maximum resistance to cutting and sawing. The smartphone/app interface offers speed, ease of use, & greater control with the ability to share access, with keyless convenience. The locking mechanism features anti-shim technology, offering maximum security. The 1 Year Limited Warranty provides peace of mind from a brand you know and can trust.
Product information
Technical Details
Additional Information
ASIN | B01A65T7OI |
---|---|
Customer Reviews |
3.7 out of 5 stars |
Best Sellers Rank | #392,517 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #740 in Combination Locks |
Date First Available | January 4, 2016 |
Warranty & Support
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This Item Master Lock Padlock, Outdoor Personal Use Bluetooth Lock, 2-7/32 in. Wide, 4401DLH | Recommendations | dummy | dummy | dummy | dummy | |
Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | |
Price | $126.94$126.94 | $58.99$58.99 | $69.99$69.99 | -18% $46.99$46.99 Typical: $56.99 | $38.99$38.99 | $59.99$59.99 |
Delivery | Get it as soon as Wednesday, Apr 3 | Get it as soon as Wednesday, Apr 3 | Get it as soon as Wednesday, Apr 3 | Get it as soon as Wednesday, Apr 3 | Get it as soon as Wednesday, Apr 3 | Get it as soon as Wednesday, Apr 3 |
Customer Ratings | ||||||
Easy to use | 3.5 | 3.6 | 4.5 | 3.3 | 4.6 | 4.0 |
Weatherproof | 3.6 | 4.4 | — | 3.1 | 4.7 | 4.1 |
Fingerprint reader | — | 3.8 | 4.4 | 3.3 | 4.8 | 3.8 |
Sturdiness | 3.6 | 4.0 | 4.3 | — | — | 4.0 |
Sold By | MARKSON Distribution corporations | YingTong Software | YingTong Software | Diossowiser | YingTong Software | eLinkSmart US |
lock type | Keypad | Biometric | Biometric, Combination Lock | Biometric | Biometric | Fingerprint, Smart, Key, Biometric |
number of items | 1 | 1 | 1 | 1 | 1 | 1 |
material | Metal | Zinc, Stainless Steel | Stainless Steel, Zinc | Nickel-plated Zinc Alloy | Stainless steel lock beam, Zinc alloy lock body | Alloy Steel, Zinc, Stainless Steel |
shape | — | Rectangular | Rectangular | Rectangular | — | Square |
finish type | Polished | Polished | Dusting | — | Frosted | Polished |
weight | 0.78 pounds | 0.62 pounds | 0.71 pounds | 1.1 pounds | 0.3 pounds | 0.8 pounds |
Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers are not happy with the battery life of the lock. They mention that it goes through batteries quickly and that the lock is difficult to open. Customers also have mixed opinions on performance, quality, ease of use, and value.
AI-generated from the text of customer reviews
Customers are mixed about the performance of the lock. Some mention it works really well, while others say that it failed after two months. The concept and initial operations seemed great, but some customers find the lock not dependable and the app feature is unreliable.
"...It struggles to connect to the app on a good day , the locking mechanism often fails to engage and it has left us not only frustrated but has..." Read more
"...Aside from that, looks and feels like a quality product and works as advertised. I have been using it for two days so far...." Read more
"...These do not hold up in any type of weather. Until there are improvements stay away from all Bluetooth padlocks. Update...." Read more
"...The lock worked exactly as advertised, so then I put it on our gate and tested again. It worked, again as advertised...." Read more
Customers are mixed about the quality of the lock. For example some mention it's an excellent, sturdy lock with well thought out features, while others say that it won't unlock or the locking mechanism often fails to engage.
"...;, but no matter how hard I pulled on the shank, the lock wouldn't open. Then the sound of the single-click indicated that the lock was locked...." Read more
"...Aside from that, looks and feels like a quality product and works as advertised. I have been using it for two days so far...." Read more
"...The code is not good after the 7 hour period and you can no longer unlock the lock with it until I send a new code." Read more
"Very sturdy lock with for the most part very well thought out features...." Read more
Customers are mixed about the ease of use of the lock. Some mention that it's easy to use and set up, while others say that it takes quite some time and the instructions are lacking. The app could be more intuitive and the lock is finicky.
"Easy-ish setup through the IOS app and the lock is very sturdy...." Read more
"...The app could be more intuitive and I still haven't found how to revoke or modify temporary access and it should be made more clear that IF the..." Read more
"...Initial setup went fine. I installed the iOS app, setup the lock, and tested it a few times...." Read more
"Bought another few more! Was a great product, easy to use, functional, get the job done~! Great one!" Read more
Customers are mixed about the value of the lock. Some mention it's a great buy, valuable, and strong, while others say it'd be better off buying a different lock.
"...An expensive piece of decoration. I would not recommend, 1 x star cos the concept is great...." Read more
"...In addition to that I also think that it has the best price in its class...." Read more
"A supremely bad product. I read some reviews, some said it sucked, other said it didn't, it fit the bill perfectly so I bought it...." Read more
"Good product" Read more
Customers are dissatisfied with the battery life of the lock. They mention that it has battery issues, goes through batteries quickly, and has an internal battery power fault. Some say that the lock was shipped with a weakened battery.
"...There is nothing wrong with the battery but sometimes the lights just stop working...." Read more
"...you need to have stock in a battery company, the batteries only last about a month of very little use...." Read more
"...Battery life is terrible. I've had to replace the CR2 batteries almost monthly...." Read more
"...But, all of a sudden the lock stopped working. The battery was not dead, but it would not open. After many many attempts, it finally opened...." Read more
Customers are dissatisfied with the ease of opening the lock. They mention that it would not open, they had to physically pull it open, and that it takes forever to open.
"...does not pop open when you unlock with your phone, you have to physically pull it open, which takes quite a bit of force...." Read more
"...It is not dependable. It never opens on the first try. There are two ways to open the lock...." Read more
"...is here on my kitchen table and I try the key pad every day and it will not open. It has a new battery in it, but it will not open...." Read more
"...The software makes it easy to turn access off or on for each customer or contractor...." Read more
Customers are dissatisfied with the fit of the lock. They mention that the shackle is too large to fit the area they intended to use it, the hasp is quite thick, and it won't fit on standard lockers in schools and gyms. It also doesn't even fit in the latch for their gate.
"...Also will not fit on standard lockers in schools and gyms." Read more
"...It's so serious that it doesn't even fit in the latch for my gate! So, now I have to look for a new latch to go with my nice new lock!" Read more
"...keys or fixed combinations that I could not change so this lock fit the need very well. It has plenty of room on the locking loop and is waterproof...." Read more
"Works well, the shackle was much too large for what I had intended to use it for, purchased the smaller version for inside use only." Read more
Customers are dissatisfied with the safety of the lock. They mention that it compromises their safety and security, and there is no warning.
"...engage and it has left us not only frustrated but has compromised our safety and security...." Read more
"...Now 2 of them are not working. NOT SAFE! if I needed to get out my gate or in i cant. Had to take the gate brackets apart to bypass the locks...." Read more
"...Sometimes it works. Sometimes it doesn’t. When it needs updating it doesn’t warn you. Sometimes it takes a long time to open...." Read more
"...I had it in use for 10 days. No warning , no yellow light saying the battery is dying. Nothing. Blue light this morning and locked it...." Read more
Reviews with images
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Top reviews
Top reviews from the United States
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I couldn't find a way for my wife to have permanent access to the lock with her own account, so she ended up signing into my account on her phone. This works but is not ideal.
The app could be more intuitive and I still haven't found how to revoke or modify temporary access and it should be made more clear that IF the primary owners phone is within Bluetooth range that a setting needs to be selected to prevent opening. For instance if the lock is on a pool cage and the phone is in Bluetooth range and powered - a child could still push the button on the lock to open it. Or if it's on a shed or something -- say in the middle of the night an intruder could do the same. It is preventable with a setting but I figured it out by stumbling on it. I'll be ordering more!
I did make contact with Master Lock about opening during heavy rainfall and if we could use de-icer on it in the winter. They were emphatic about relocking the lock as soon as possible and try to cover the lock from the rain while it is open. Some water "may" collect on the inside. However when locked it is well sealed.
They are to get back to me about the deicer. Regular locks we heat with a torch to open in the Winter after a freezing rain.
The four buttons on front are easier to hit a combo than dits and dahs of undetermined length done by other locks.
It appears to respond quicker to the phone on unlock and has a nice large icon on the lock to indicate interaction and green for it's unlocked.
Of the bluetooth locks I've researched So far this one appears to work best in our situation. A tow yard impound/accident lot.
Top reviews from other countries
El candado Master Lock es muy práctico ya que se empareja con el teléfono y al acercarte se conectan por bluetooth y se abre muy facilmente. A veces le cuesta un poco contectarse al teléfono pero en ese caso es muy sencillo ingresar la clave con el pad, es como un video juego, muchísimo más sencillo y rápido que con una combinación númerica tradicional, aunque la clave sea muy larga.
Además, en la app hay muchas opciones más, asiganr permisos a personas, limitar los permisos por días y horarios, asignar permisos temporarios, etc.
Por último, es de muy buena calidad y resistente al agua, no se oxida ni se comrpomete el funcionamiento. Vivo en una ciudad en la que llueve mucho y era importante que resistiera bien a la humedad porque está en el exterior. Al candado con clave númerica tradicional que teníamos antes se le endureciá el mecanismo cada vez que llovía, a pesar de ser para exterior.
Estoy muy satisfecho con este candado y lo recomiendo. Antes de comprarlo tenía dudas porque había leído algunos comentarios negativos, pero creo que debe ser que a esas personas lamentablemente tuvieron mala suerte. Pasan estas cosas con todos los productos electrómicos. Hay un pequeño margen de productos que pueden presentar fallas. Si me pasara lo cambiaría por otro candado nuevo porque funcionando correctamente es una joya.
In the winter it just froze shut and became unresponsive. It started in -5 degree Celsius weather, and then permitted the colder it got. I had to pour warm water over it just to unlock it. It's currently on my counter because it's not worth the trouble.
When it works (using a combination): 5/5 stars
App to unlock it via your phone: 1/5 stars
Winter: Completely inoperable.
Verdict: Look elsewhere. I was incredibly disappointed in this product. Master Lock could have and should have done so much better....