Brilliant Smart WiFi Video Doorbell Chime -21387/06With Volume Control · ChimeThe chime connects to the Brilliant Smart Wi-Fi Video Doorbell to alert you when the door bell has been pressed. This is especially helpful if you do not have your phone or tablet with the Brilliant Smart app next to you so you are still alerted when someone is at your door. Comes with multiple tones, select different tones for different notifications. Easily control the volume so you can hear all over the house. Do Not Disturb mode allows for quiet when needed. Plugs into any standard power outlet. Working distance approx 30m from Smart doorbell.Model No.21457/00.