Check the listing for details. Utilitech Le-125c-a Doorbell Transformer. Condition: Open box. Listed at 30.00 USD. The Utilitech Le-125c-a Doorbell Transformer is a reliable and high-quality transformer designed specifically for doorbell systems. With the trusted brand of Utilitech, you can be assured of its performance and durability. This transformer is essential for providing power to your doorbell system, ensuring smooth and efficient operation. Perfect for home improvement projects involving door hardware and building systems, this doorbell transformer is a practical and essential component for any modern household.