So you would like to see and talk to visitors at your door on your smartphone? The Netatmo Smart Video Doorbell has you covered. It comes with people detection, customizable alert zones and night vision to keep an eye on activity at your door. It has a built-in speaker to ward off intruders.
This device is pretty easy to install as it replaces your wired doorbell. It stores your data on a microSD card. It is IP44 weather resistant.[where to get it]