... light * Input voltage: AC220-240V * Current: 300mA * LED downlight is built in driver, constant driver, high performance, overload, short circult and over heat ... : 1.5W, 2W, 2.5W, 3W, 6W, 9W, 12W, 15W *Opening diameter(mm): Dia 35, Dia 45, Dia 50, Dia ... control 2. Sample inspection: Product appearance access, component (LED chip and driver)test, finished product test(voltage, current, lumen flux etc ...