Pros:  
Very convenient to grant access and monitor who comes in and out of your home/office.
-The technology works well
-easy to install

Cons:  
-Only works on very limited number of devices. 
-Doesn't allow you to remotely open the door through WiFi unless you buy the extended product (PRO) which is only for sale in US & Canada and they don't ship internationally   (for no apparent reason).
-The FOB stopped working pretty quickly.