Meet the Zmodo Greet: a smart video doorbell that lets you answer your door from anywhere. You will be able to speak to your visitors from your smartphone. This WiFi enabled gadget offers smart motion detection, two-way audio, and a wide angle lens. Greet 2.0 has 8 GB of local storage and supports cloud storage.
Greet 2.0 lets you set quiet hours to silence notifications. It seems pretty easy to install too. More information is available here.