Introducing the OSRAM Sylvania QHE 2x54T5HO/UNV PSN-HT Fluorescent Ballast 49136/49135 (10 Pack) - a top-quality lighting solution for both indoor and outdoor use. With a 3-year manufacturer warranty, this ballast from SYLVANIA is designed to provide reliable and efficient performance. Measuring 16.73 inches in length, 1.00 inch in height, and 1.18 inches in width, this ballast offers a voltage range of 120-277V, making it suitable for a variety of lighting applications. Additionally, it features a 54W bulb wattage and uses fluorescent lighting technology. Perfect for facility lighting and maintenance in a business and industrial setting, this ballast is a must-have for anyone in need of a dependable lighting solution.