Wired doorbells do not need battery changes, can record indefinitely, but require an existing low-voltage circuit which can limit placement options. Consider cost, security, and convenience before choosing a doorbell (or consider buying one with the option of using either power source).

Knowing who’s knocking at your door is always a relief for peace of mind. And while you can know that with a simple peephole, it’s way cooler and more convenient to be able to check in remotely from anywhere using a video doorbell and a mobile app.