Newhouse Hardware 3TRAN Tri-Volt (8vac/10VA, 16vac/10VA or 24vac/20VA) Transformer for Ring, Nest and Standard Doorbells 1pk, Assorted

This tri-volt transformer is used to power a standard wired chime system, installs easily and is UL certified. WARNING: This product may expose you to chemicals known to the State of California to cause cancer or reproductive harm