Fulham 10556 - WHSG1-UNV-T8-IS Fulham WorkHorse 1 Ballast type: Line Voltage size dimensions: 9.50 x 1.38 x 0.99 inches location/usage: Indoor/Outdoor listing: cULus, FCC Part 18-A, Class P, Sound Rated A, Type 1 Outdoor Country of Origin: China warranty: 5 year manufacturer warranty weight: 2 lb. description: Screw Down