Funmit Doorbell Transformer 24V 40VA Compatible with Ring Video Doorbell Hardwired Door Chime Transformer

Specification: Input: 120 V/ AC, 50/60 Hz Output: 24 V/ 40 VA Power single or multiple doorbell transformer and thermostat: For doorbell transformer: compatible with Ring Video Doorbell, Ring Video Doorbell 2, Ring Video Doorbell Pro, Nest Skybell Doorbell, etc For doorbell thermostat: compatible with Nest, Ecobee, Honeywell and Sensi smart, etc Easy way to install: 1-Turn off power before installation 2-Screw down or threaded clamp to electrical box  3-Simple to wire up replacement