The Nedis SmartLife Chime is an additional wireless doorbell extension for the Nedis SmartLife video doorbells. With this wireless chime, you can hear the doorbell without needing your phone. This way, you won't miss any visitors when your smartphone is not around and you'll never miss a parcel delivery again. It is easy to install and battery powered. You can select one of the four melodies and the volume with the SmartLife app.