(4 Pack) Fusion Lamps PAR38 6W LED Light Bulb (4100K) Optimized heat fins w/ artistic design This long lasting bulb is estimated to cost $0.72 per year and last for 18.3 years or 20,000 hours Perfect for track lighting, recess lighting, indoor fixtures, outdoor PAR fixtures, etc. No UV or infrared radiation & mercury free Bulb provides a brightness of 320 lumens using only 6 watts of power