Nest Secure

The nest secure is a smart home security system which is easy to install, you can do it yourself.

Nest secure is connected all the time to your smartphone by its free
Nest app and it inform you about even a door or window is opens or close or someone entered into the house. If you can't respond to the alarm, either your phone is not with you or it is switched off don't worry the Brinks Home Security, a professional monitoring service which is in partnership with Nest, handle it from here.

The monitoring team of brinks also get an alart message from your system and after its verification they call on emergency contact number you provided or can call to police help on your behalf.

The Nest secure is comes with Nest tags so you don't need to enter the password every time you enter into home.
(You have the option of password if you like that way.)
You can gives that tags to your family members to your relatives
And you can also disabled any tags if it lost, through the Nest app.