Here is a smart system that lets you view your guests and interact with them from anywhere. The Vivint Doorbell Camera comes with a 180-degree lens, a microphone, a speaker, and night vision. Combine it with a Vivint smart lock, and you will be able to let your visitors in from anywhere.
You will be able to view live video from your panel or mobile devices. The camera records audio and video of every visit to keep you informed. Like what you see? You can find out more about it here.