This replacement 120 volt transformer, model TDB-B100-2402, is perfect for your garage door opener needs. It is compatible with Genie brand products and comes with a manufacturer part number of 39342R.S. This high-quality transformer is made by The Genie Company, a trusted brand in the industry. It is designed to provide reliable and efficient performance, ensuring that your garage door opener function smoothly. This transformer is suitable for use in various building and hardware applications, including home improvement projects.