... *Opening: D70mm * LED Quantity: PCS, 3528, hight bright LED downlight *Power watt: 3W, can directly replace tradional down light 15-20W ... warm white(3000K-3500K), other colors are optional *The LED down light housing Finished: Anti-oxidation, black, white, ... Materials control 2. Sample inspection: Product appearance access, component (LED chip and driver)test, finished product test(voltage, current, ...