Chime compatible with Ring video doorbells. Plugs into any standard power outlet and connects to Wi-Fi network to link to any Ring video doorbell. Chimes when the video doorbell sees a visitor at the door so that you know someone is there if you don't have your phone or tablet right with you. Set up as many chimes as desired. Features a Do Not Disturb function set chime to silent. Set a custom volume in the Ring app so the chime is never too loud or too quiet.