The heath Zenith wireless battery operated doorbell kit included 1 chime and 1 wireless push button. The chime features 3 selectable tunes for the front entrance and a ding for your back entrance.

Highlights:

• Material : Plastic
• Color : Black/White
• Up To 150 feet transmission range
• Surface mounting
• Wireless battery operated chime requires 3 "C" batteries (not included)
• FCC and IC Certified
• 3 selectable tunes
• Includes 1 Chime & 1 Wireless Push Button
• Maximum sound decibel 85