This LED spotlight adopts the unique design of heat dissipation to improve its lifespan. It is built in constant current LED driver with a working temperature ranging from 10degree to 40degree. The lens material is PMMA with 90% reflectory efficiency. LED spotlight is considered as the ideal replacement of 35W Halogen lamp, with the advantage of saving more than 90% energy. It is widely used in Hotel, shopping mall, counter, as well as for commercial & home lighting. 100 pieces can be packed in one carton with a gross weight of 12KG. We offer you a warranty of 24 months. Please note that dimmable driver or dimmable light fixture is forbidden and please ensure the power is off if you want to replace the lamp.