... AC220-240V * Current: 300mA * LED downlight is built in driver, constant driver, high performance, overload, short circult and over heat protection. ... , 7X1W, 9X1W, 12X1W, 15X1W, 18x1W, 21X1W, 24x1W *SMD3528 chip High brightness LED downlight series: 1.5W, 2W, 2.5W ... 2. Sample inspection: Product appearance access, component (LED chip and driver)test, finished product test(voltage, current, lumen flux ...