Satco's update of our popular high bay/low bay LED lamps means improved performance on every level including, built-in dimming. The shape lends itself to virtually every fixture, and the heat dissipation feature means a cooler running, longer lasting lamp. Commercial venues everywhere have been relying on this lamp for years. Everywhere superior light output is critical and reducing maintenance is important, areas such as, warehouses, gymnasiums, health clubs, factories and arenas, these lamps are the perfect choice!