This wired door chime is equipped with a built-in 8V doorbell transformer, which means that once you've wired in your mains electricity, the device will automatically convert it to the correct operating voltage. This wired door chime is equipped with a built-in 8 V doorbell transformer, which means that once you've wired in your mains electricity, the device will automatically down-convert it to the correct operating voltage.

Brand Name	Byron