Includes field replaceable 7 watt, 855 delivered lumen, 2700K or 3000K field replaceable LED module Dimmable with low-voltage electronic or magnetic dimmer (based on the transformer) Choice of 20°, 30° or 40° field changeable optics. Integrated lens holder accommodates up to 2 lenses or louvers (sold separately) As a general rule when using the Brim head, we do not recommend using greater than 33% of the maximum wattage specified for the low voltage transformer due to inrush current requirements. For assistance in calculations, please contact Technical Support.