Heath Zenith Heath Zenith Wireless Motion Sensor and Battery-Operated Chime Kit

10-MELODIES: Auld Lang Syne or Beethoven's Fifth or Birthday Celebration or Ding-Dong or Relax Triplet or Shorty or We Wish You a Merry Christmas or Short Westminster or Westminster or Huntington ADJUSTABLE VOLUME: the volume of the doorbell tunes can be adjusted to best suit your needs BATTERY-OPERATED: the motion sensor requires 2X AAA batteries (not included); the doorbell chime requires 3X AA batteries (not included) 300-FT TRANSMISSION RANGE: this device has a transmission range up to 300 feet - great for larger homes or work settings - when you want to hear the tunes from a distance WARRANTY: this motion sensor with 12-foot detection range and doorbell chime kit is guaranteed with a 1-year limited manufacturer's warranty PLASTIC CONSTRUCTION: a plastic casing paired with a classic color will add a modern touch to your house WIRELESS: ideal for apartments or renters, this kit is battery-operated and does not require any form of hardwire installation