Wireless Chime Kit, White With Nickel Finish Accent Lines, Battery Operated, Uses 2 "C" Batteries, Not Included, Transmission Range Up To 100', Wireless Push Button With Battery Included, 2 Sound Options: Ding Dong & Ding, Sound Decibel: 75 Decibel Maximum, 6"W x 2"D x 9"H.