Stalwart 80-3055L Wireless Remote Doorbell Chime and Push Button 36 melody tunes, 3 volume settings, chime easily mounts to wall or sits on a counter top or shelf Modern design fits in with any decor, three signal options: music only, music and led light, led light only Low battery indication for push button, transmission range: 390 feet in open area, push button requires 3V Cr2032 battery (included) Chime requires 3 aaa batteries (not included), includes mounting hardware and double coated tissue tape, materials: polypropylene Dimensions: chime: length: 1.25 inches, width: 2.5 inches, height: 4.5 inches, push button: length: 75 inches, width: 1.75 inches, height: 3.25 inches