... * Product dimension: Dia78*23mm * Opening: 60mm * LED Quantity: 3PCS, high power LED downlight, * Luminous flux: 80-90lumen per watt, 90 ... high-tech aging machine, including 3600-6000 times on-off-on-off test the drivers) 5. QC test one by ... Production cleaness treatment, then packing. 7. Random quality inspecition. LED down light Application: Shop window, gallery, Speciality shop, Interior lighting ...