The SYLVANIA 51540 OT96W/24V/UNV is a pack of 10 high-quality LED drivers designed for constant voltage. With a wattage of 96W and voltage of 24V, these units are Energy Star certified and have an EC range of A+++ - D, ensuring energy efficiency and performance. Manufactured by OSRAM in the United States, these electrical ballasts are perfect for facility lighting needs and other lighting applications where reliable and efficient power supply is crucial.