Master Lock Bluetooth Padlock 

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A while ago I got up early to attend a presentation and eventually I received the first of the requested items from this event. One of - shall we say – more difficult things to get hold of but in a way something that may be of use to a great number of people.

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This is a quite large and very weighty padlock. It is 15x5x2.5cm and weighs 375grams.

The top 8cm is the very substantial metal locking part, there is a 3cm circular section on the face of the lock it shows nothing but one of two ways to open the lock is stored in here and where you touch it will decide if you end up with a red light (will not open) or green light (opens) at the end of the entered combination.

Imagine a clock face or a compass you touch in a combination 12, 3, 6, 9 or N, E, S, W. At no stage during the input does it tell you how you are doing. The default setting is a total of seven touches but you can reprogram this to suit you.

You can also control it by Bluetooth once you have linked it to your SmartPhone.

The double sided A3 instruction sheet is in 37 languages.

To use the lock with Bluetooth you need to download an App and create an account with Master Lock once created Click Add A Lock and enter the fourteen character code shown on the sheet once entered you have Bluetooth control.

There is circular clock type battery inserted and this should last a good long period (five years is stated) before changing is required so do not lose the instruction sheet. There are in fact four colours for the central LED, Blue when entering a code, Red when you got it wrong, Green when it is unlocked and Yellow when the battery is low and needs changing.

This lock is for outdoor use on things such as gates, garages, sheds etc.

There is no key entry possible so no key to lose, however the more complex the code you set for touch use the more probable that one touch is not good enough and the whole code needs to be entered again.

Seven touches in a set combination gives a huge number of wrong possible codes even once the first push is correctly entered.

The shackle is made of Boron so you would need very strong and large bolt cutters to get through it.

If you use the Bluetooth link you can send a temporary code to say a friend or gardener that can allow them to enter a code that works for a limited time to allow access when you are not there.

In the few weeks I have so far been using this it has worked fine with both the touch combination and codes from SmartPhone.

The Master Lock Smart 4401DLH is available from Amazon for £74.71, more information is available on the on the Master Lock web site.

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