BOJACK Doorbell Transformer Compatible with Ring Video Doorbell 16v 30va Hardwired Door Chime Transformer 16 Volt 30va

BOJACK 16V 30VA Thermostat and Doorbell Transformer ，Power Supply Compatible with Ring Video Doorbell Pro，Greet Pro Smart Doorbell，Nest Hello Video Doorbell，Greet Select Smart Doorbell etc.
Powers thermostats and doorbells: replace underpowered transformers.Can be mounted horizontal or vertical with a chime mechanism.(NOTE:Turn off power before wiring)
Easy to install: screw down and thread clamps to electrical box.
This 16 volt transformer is UL-certified, offers reliable performance.
Input is 120 v AC，60 Hz ; Output: 16 v AC at 30 VA.