This wireless digital doorbell plays your choice of 48 melodies - like "Oh Susannah", Christmas carols and classic Westminster chimes. Easy to install, no wiring needed. Includes outside water-resistant transmitter (3 1/4"L x 3"W x 1"D) and portable in-home receiver with light (3 1/2"L x 3 1/8"W x 1"D). Uses one 12V and 3 AAA batteries (not included). Plastic.
I really haven't had this product long enough to complain or critize this product. It ring nicely and both pieces display a blue light that aknowledge that it is on or working.
