In my previous post, I mentioned that Samsung as one of the leading digital lock solutions. The another well-known digital lock solution provider is Yale.
The list of the different digital lock is listed under this link.
Digital Door Lock-YDM 3109
I would like to mention that the model that I am using is 3109 series. After over 1 year of usage, the entire family (including my mum who is very extremely resistant to anything that is remotely high-tech) loves it.
We have not experienced any glitches or any problems with this model. :)
One of the main reasons why we have chosen this model is because it has the most sturdy built.
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