Includes 7 Watt, 647.5 Delivered Lumens, 2700K Or 3000K, 90 Cri Field Replaceable LED Module Dimmable With Most LED Compatible Elv And Triac Dimmers. 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.