Description
Upgrade with Confidence: This UL-Listed is 16.5V 40VA plug in transformer replaces and upgrades underpowered transformers, offering steady and reliable power to your doorbells and burglar alarm systems..Hassle-Free Installation: With screw terminals and simple wiring, you can easily replace your old transformer with this CentroPower transformer, which fits and Sensi smart thermostats and other devices requiring constant 16.5V power..Safe and Stable Design: Equipped with an auto-resetting (PTC) fused secondary and an LED green power indicator, this transformer provides safe and stable power, ensuring uninterrupted operation of your doorbells and burglar alarm systems..Compatibility Guaranteed: This transformer is compatible with Ademco, DSC, ETC burglar alarm systems, as well as Video Doorbell, Video Doorbell 2, Video Doorbell Pro, Nest Skybell Doorbell, and more. Note that the brands mentioned are only for demonstrating compatibility..Accurate and Reliable Output: With no-load voltage testing of about 18.5-19.5V, you can use an AC voltmeter or multimeter to test the accurate voltage output data of this 16.5V 40VA plug in transformer, which won't affect its normal function.
