Installation of the doorbell transformer is a straightforward process that involves attaching it securely to the electrical box using screws, unscrews, or threaded clips in a secure location.
【UL Certification】This doorbell transformer has UL Certification, which greatly improves safety and longevity, as transformer without this certification have a higher risk of circuit induced fire house problems during operation
【Compatibility】The transformer doorbell power supply compatible with Ring doorbell transformer, Nest, Ecobee, Sensi and Honeywell thermostat and doorbells
【Specification】Input: 120 V/AC, 60 HZ; Output: 24 V AC at 40 VA, UL-certified, reliable performance and safe to use
【Power Multiple Thermostats/Doorbells】Replace and upgrade underpowered transformers with this 24V AC Transformer, while providing ample power to single or multiple thermostats and doorbells(Perfect replacement for an old transformer and will work with any wired door chime)