Description
?? Easily Replace your Old Transformer - Plug in Alarm System Transformer for your Security System.?SPECIFICATION: input voltage: 120 VAC, 60Hz; Output voltage: 16.5V, 40VA SAFE AND STABLE auto-resetting (PTC) fused secondary, LED green power indicator.?ELIMINATATE DOORBELL UNDER POWER HASSEL:16.5V 40VA plug in transformer, replaces and upgrades underpowered transformer with this 16.5V AC transformer, offering plenty of power for your doorbells.?Compatible With: This transformer compatible for Honeywell Ademco, DSC, ETC Burglar Alarm Systems; Also compatible with Video Doorbell, Video Doorbell 2, Video Doorbell Pro, Nest Skybell Doorbell?Note: The brand above is only for demonstrating compatibilityyy.? Easy to install:Output with screw terminals, simple wiring?The load voltage(when the doorbell is running) is 16.5V and the output of no-load voltage by a multimeter to test is about 18.5-19.5V, normal function and won?t affect any use.When testing the product, pay attention to use an AC voltmeter or a multimeter to test the output voltage value and use a voltage tester to measure the accurate voltage output data.