Greeting! We totally understand your concern. To win more royal customers by providing the high quality lights, and to get more sale market by only earning little profit is what we have been pursuing for. We could 100% guarantee that our lights are using Taiwan Mean Well Driver, PHILIPS LUMILEDS SMD and pure aluminum heat dissipation housing. What is more, our lights are also approved by the UL institutions of United States and also by the DLC. So now we hope that you could order our light without any concern.