Fulham 10010 - WH22-277-C Fulham WorkHorse 22 Ballast type: Line Voltage size dimensions: 3.40 x 2.30 x 1.00 inches location/usage: Indoor/Outdoor listing: cULus, FCC Part 18-A, Class P, Sound Rated A, Type 1 & 2 Outdoor Country of Origin: China warranty: 5 year manufacturer warranty weight: 0.75 lb. description: Screw Down