... Product dimension: Dia78*23mm * Opening: 60mm * LED Quantity: 3PCS, high power LED downlight, * Luminous flux: 80-90lumen per watt, ... control 2. Sample inspection: Product appearance access, component (LED chip and driver)test, finished product test(voltage, current ... cleaness treatment, then packing. 7. Random quality inspecition. LED down light Application: Shop window, gallery, Speciality shop, ...