Heath Zenith White Plastic Wired or Wireless Digital Doorbell Chime

Features

• 16-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, and more!
• WIRED OR WIRELESS: this doorbell chime can operate using a wired or wireless installation method
• INSTALATION: Bi-Function Wired Installation: requires 16VAC-10VA low voltage transformer, bell wire, 3X C Batteries (all not included); Wireless Installation: requires 3X C Batteries (not included)
• 350-FT TRANSMISSION RANGE: this device has a transmission range up to 350' - great for larger homes or work settings - when you want to hear the doorbell ring from a distance