[Product specifications]: 16V 30VA doorbell transformer: low voltage hardwired door chime transformer, Primary Input: 120V AC 60Hz, Secondary Output: 16V AC 30 VA, Class B insulation, Class 2 transformer
[Compatible with]: For use with many doorbell transformers, Ring Doorbell, Ring Doorbell 2, Ring Video Doorbell Pro, Nest Hello Video Doorbell
[Easy to install]: screw down and thread clamps to electrical box.
[Useage]: Power single or multiple door chimes in one home with ease, replace your old and under powered doorbell
[Risk free shopping]: Superior Quality you can trust! This SupplyEdge product is UL/CSA approved to assure safe operation and long life. This item by SupplyEdge come with a 1 year, no questions asked, no hassle warr anty.