... 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 ,soc ,ssc ,pree ,etc -Light intensity ... dimmer to dim our products .with no flicker and shark. par38 9x1w high power led lamp