... led lamp No FR interference , no buzzling noise ,long lifespan. Aluminum body with excellent heat sink. PAR38 9X1W high power led par lamp ... -Aluminum body with excellent heat sink -Wattage: 9x1watt -led type:Cree, Bridgelux, Edison ... , restaurant , exhibition, and shop, clothing shop etc.widely used. Feature: Different watts for your choice ,PAR30 5W ,7W,PAR38 ...