Keystone 00498 - MH-400A-D-FCAN Metal Halide Ballast type: Line Voltage size dimensions: 19.00 x 3.23 x 2.75 inches location/usage: Indoor/Outdoor listing: cULus, Type 1 Outdoor, RoHS Compliant Country of Origin: Mexico warranty: 2 year manufacturer warranty weight: 24 lb. description: Screw Down