Smart Door bells can keep your home safer

You might have seen an article recently about  a man that allegedly tried to break into a home in Sydney but was scared off thanks to the help of a Smart door bell . Article 

The wife’s husband (who was not home at the time) was able to talk to the intruder through the smart door bell, and the man left.

It prompt me to have a look and see what are the top Smart door bells recommended by Safewise in 2018. Here’s the link