Cree LED XLamp® CMB Family COB LEDs provide industry-leading lumen density and efficacy housed in Cree LED’s package and LES sizes. Utilizing a modern COB technology platform, the CMB family implements a no-compromise performance upgrade to existing CXA, CXB, and CMA product families. Furthermore, the LEDs retain mechanical and optical compatibility. The XLamp CMB Family COB LEDs have a metal substrate and are optimized for outdoor and premium indoor lighting applications.