Description from Zinc Details
At last a doorbell that doesn’t have to hide in the closet!
The RING doorbell has a true “ding dong” sound provided by a large 4″ diameter bell. RING details and materials are finished to complement Spore doorbell buttons. The installation is simple. This spOre doorbell will work with most standard doorbell systems. Typical doorbell systems operate at 8 to 16 Volts AC.