I purchased this 24v transformer to power my Ring Video Doorbell Pro. Installed a transformer and attached it to my doorbell and everything worked fine around 7pm, after that the ringer stopped working properly. The ring has not established a connection to the WLAN. I first searched for faults using online resources and initially concluded that the 24 volt transformer had failed or was no longer providing the required power. Because of this, I initially gave this product a negative rating and bought a different power supply. The second plug-in transformer also failed to get the Ring Doorbell to work, so I called Ring Community Support for help with this issue. After numerous failed attempts to get the device working, Ring finally sent me another doorbell that works perfectly. The Ring device has failed, not the 24v transformer The 24v transformer now powering the properly working Ring Video Doorbell Pro is working as advertised. I checked the transformer with a multimeter and the device outputs a stable 24 volts. Four stars in my opinion is that the wire is a little flimsy, but other than that it's a good product.
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