Eplzon 24V 40Va Thermostat And Doorbell Transformer, All Versions Of Ring Doorbell

Eplzon 24V/40Va Thermostat And Doorbell Transformer, Power Supply Compatible With Nest, Ecobee, Sensi And Honeywell Thermostat, Nest Hello Doorbell And All Versions Of Ring Doorbell (4011Mt) Powers Thermostats And Doorbells: Replace Underpowered Transformers Easy To Install: Screw Down And Thread Clamps To Electrical Box This 24 Volt Transformer Is Ul-Certified, Offers Reliable Performance Input Is 120 Vac, 60 Hz; Output: 24 V/ 40 Va This 24 V Transformer Fits For Nest, Ecobee, Honeywell And Sensi Smart Thermostats; Also Apply To Ring Video Doorbell, Ring Video Doorbell 2, Ring Video Doorbell Pro, Nest Skybell Doorbell, And Other Devices That Require Constant 24 Volt Power For Operation