24VAC 40VA Plug in Doorbell Transformer Compatible with Ring, Nest, Eufy, Wyze Video Door Bell, All of Doorbell Nest Ecobee Sensi and Honeywell Thermostat,with PTC Fuse

24VAC 40VA Plug in Doorbell Transformer Compatible with Ring, Nest, Eufy, Wyze Video Door Bell, All of Doorbell Nest Ecobee Sensi and Honeywell Thermostat,with PTC Fuse

• Input Voltage: AC120V, 60Hz;Output Voltage: AC24V, 40VA;SAFE and STABLE auto-resetting (PTC) fused secondary, LED green power indicator, positive/ negative/ ground screw terminals 
• 24V 40VA Plug in transformer, replaces and upgrades underpowered transformer with this 24V AC transformer, offering plenty of power for your thermostats and doorbells.Save the trouble of frequent battery replacement
• When using a multimeter to test products, pay attention to using an AC voltmeter or multimeter to test the output voltage value, and use a voltage tester to measure accurate voltage output data. The no-load voltage output measured by the multimeter is about 26.6-28V, which is normal and does not affect any use
• Screw down or threaded clamp to electrical box, simple to wire up.Output with screw terminals, you can freely cut the connecting cable and arrange the cable according to the length you need to make the installation simple and beautiful. Power for multiple doorbells /thermostats at the same time
• Compatible with Ring video doorbell, Ring video doorbell 2, ring video doorbell pro, Nest Skybell doorbell, also compatible with Nest, Ecobee, Honeywell and Sensi smart thermostats, and other devices that require constant 24 volt power for operation. (Note: The brand above is only for demonstrating compatibility)
• Package includes: 1 * 24VAC 40VA Doorbell Transformer