... Light, Dimmable LED PAR38 Replacement Lamp, Dimmable PAR38 LED BulbHigh Power LED PAR38 Bulb Features:Aluminum heat sink, No UV or RF interference, Patented heat sink and ... incandescent & fluorescents . No mercury, no ballast required, wide voltage and constant current design, solid state, high shock & vibration resistant, Mercury free, 66 ...