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Masterlock 4401EURDLH Bluetooth Smart Padlock

Article no: 41-1051
  • Forget keys and codes with this Bluetooth controlled lock.
  • Compatible with iPhone iOS 8 and Android 4.3 or later.
  • Robust, vinyl-encased metal body.
  • High security hardened boron steel shackle.
The product is discontinued Replacement product, accessories and spare parts could still be available.
Stock status
Not available
Availability in store
Not available
Forget keys and codes, this lock is Bluetooth controlled (free app available at Can even be opened directly by entering the code, if needed. Compatible with iPhone iOS 8 and Android 4.3 or later.
Share your lock with others using temporary guest codes or fixed codes via Bluetooth. History and opening attempts are recorded in the app. The app also informs you when the battery (CR2) needs to be changed.

Robust, vinyl-encased metal body. Offers full protection in extremely tough environments against scratches and dirt and water penetration. Boron steel shackle for increased protection.
Body width: 56 mm.
Shackle size (int): 23x52 mm, diam: 9 mm.
For indoor and outdoor use down to 0 °C.

Smart LED indicators:
Green - open
Blue - locked
Red - entry´unauthorised
Yellow - low battery

Free app

Product Specifications

Shackle diameter 9 mm
Internal shackle size 23x52 mm 
Shackle material Boron steel  
Lock housing material Steel plate 
Width 56 mm
Height 74 mm
Thickness 27 mm
Weight 365 g
Other For indoor and outdoor use down to 0 °C. 
Packaging size 20 x 10 x 4.5 cm
Packaging weight 461  g

Shopping info, delivery & returns

At Clas Ohlson you can always shop securely and quickly. You will always have an open return policy up to 90 days. Your order will usually be dispatched within 2-3 days. Exception to this is the busy season such as Christmas.

Usual questions about returns

Clas Ohlson offers 2 year guarantee

We are proud of our products and it is very important that you, as a customer, are happy with the service and products we provide.This is why we have a 2 year guarantee on most of our products and on specific products we leave a 25 year guarantee. The only exception is on consumables (such as batteries and light bulbs). Keep a look out for our guarantee-logo next to your chosen product to see what guarantee package it has. Our guarantee means that the product is expected to work just like we have described it during the time of guarantee we have promised (This in addition to the rights under consumer purchasing).

Read more in our terms and conditions of purchase

Clas Ohlson offers 2 year guarantee

Money back

Are you not happy with your purchase or have you changed your mind? Don't worry, at Clas Ohlson you will always have an open return of 90 days. To get your money back you must:

  • Show the receipt.
  • Return the product within 90 days.
  • Return the product and accessories in the same condition as they were when you bought them.

Read more about returns in our terms and conditions of purchase