two on/off switches to run four lamps at a time if desired. Sun Blaze 4 Ft. 8 lamp fixture comes with 6500k high output 54w T5 bulbs loaded in the fixture. These fixtures are daisy chainable, and are great for seedlings, propagation, cloning, and vegetative growth. Good for a 4' by 4.5' coverage area.
Check out how this fixture did in our Best T5 HO Fluorescent FixtureComparison Test and Review
