I bet your doorbell is not as smart as the SkyBell. This is an awesome product that allows you to answer your door from Android and iOS devices. It has a motion sensor that lets you know when someone is at your door even if they don’t press the button. You can install it easily with your existing wires. Multiple cameras and users can be managed in the same account.
SkyBell lets you see, hear, and speak to your visitors. It can record photo and video. It even has a silent mode, so you won’t get disturbed even when you do have visitors. The design is rugged. No batteries are required.