... LED downlight *Power watt: 2.5W * Input voltage: AC100-240V * Current: 110mA * Body material: Aluminum housing+ high transmitting glass cover *Build in driver, constant driver ... 1.5W, 2W, 2.5W, 3W, 6W, 9W, 12W, 15W *Opening diameter(mm): Dia 35, Dia 45, Dia ... Sample inspection: Product appearance access, component (LED chip and driver)test, finished product test(voltage, current, lumen flux etc. ). 3. ...