Family member of this series:  4 inch MAX 20W, 6 inch MAX 45W and 8 inch MAX 50W.made by die-cast aluminium ADC12, surface powder coated in white ,black or silver three different color;3 different beam angle options, speical design with an tube diffuser and lens inside above deep-inside COB, it is anti-glare even you look up at it at 45 dgree. It is born for anti-glare, the unique design of tube diffuser is not only for anti-glare, but also make the light more even and large-scale. it can fit with different brands of COB and Driver, such as Philips, Luminus, Cree, Citizen and so on.Its originally designed mainly for automobile 4S shop in the high celling, bright enough with big power, but no glare, also can be used in the supermarket, hotel and restanrant. Optional TRIAC, 1-10V Dimmable Or DALI Dimmable.