SeaBlazeX2 delivers the exceptional performance, quality, and value of the industry-leading SeaBlazeX, with 60% greater output. The SeaBlazeX2 SPECTRUM delivers a nearly limitless palette of intense, rich, vivid colors. Delivers more than 5,000 integrating-sphere-measured lumens. Surface mount, no external drivers. 3.94″Dia. x 0.85″D