... 21X1W, 24x1W *SMD3528 chip High brightness LED downlight series: 1.5W, 2W, 2.5W, 3W, 6W, 9W, 12W, 15W *Opening ... Quality Control Process: 1. Law Materials control 2. Sample inspection: Product appearance access, component (LED chip and driver)test, finished ... driverAvoid unstable voltagewell appearance designExquisite and Elegant decoration 3W Hight Power LED Downlight/One Lens/Diameter 60mm/Pop for ...