CENTROPOWER 16.5V 40VA Door Bell Plug-in AUTO-Resetting AC Transformers Security, Compatible with Ring Video Doorbell Pro 40TR, Wired Chimes, Nest, Sensi, DSC - w/Screw Terminals & PTC Fuse — Open-Box, 18% Off

Upgrade with Confidence: This UL conform 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 Honeywell 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 Honeywell 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

Introducing the CENTROPOWER 16.5V 40VA plug in transformer – the perfect solution for anyone looking to upgrade their burglar alarm systems, doorbells, and other devices that require a constant 16.5V power supply to operate. Whether you're replacing an old underpowered transformer or looking to install a new one, the CENTROPOWER transformer has got you covered. Designed to deliver safe and stable power, this easy-to-install transformer boasts an input voltage of 120 VAC, 60Hz and an output voltage of 16.5V, 40VA. With an auto-resetting (PTC) fused secondary LED green power indicator, you can rest assured knowing that your device is protected from power surges and other electrical hazards. Compatible with a wide range of security systems and doorbells, including Honeywell Ademco, DSC, ETC Burglar Alarm Systems, Video Doorbell, Video Doorbell 2, Video Doorbell Pro, Nest Skybell Doorbell, Nest and Ecobee smart thermostats, and more, this transformer is a versatile and reliable solution for all your power needs. The CENTROPOWER transformer is also incredibly easy to install, with screw-down output terminals and thread clamps that make wiring a breeze. Simply plug it in and your security system or doorbell is ready to go. Upgrade your power supply today with the CENTROPOWER 16.5V 40VA plug in transformer, and experience the difference in performance and reliability that comes with a high-quality power supply.