Family member of this series: 4 inch MAX 15W, 6 inch MAX 40W 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 for option; It can fit with different brands COB and different driver, such as Philips, Luminus, Cree, Citizen and so on. It is very cost-effective with high lumen output that can reach 110 lumen per watt, also can be frosted glass with anti-glare function, all this series can be IP44 grade with very competitive price. Manily used in the automobile 4S shops, supermarket, hotel and restanrant. Optional TRIAC, 1-10V Dimmable Or DALI Dimmable.