Happiness At Home&reg; Flashlight Bulb LED 500 lumens textured reflector CREE R5 Single Mode 3.0-18V Drop-in - P60 design: Ultrafire,Surefire, Hugsby, Etc. Increase your flashlight's brightness up to 500 lumens with the US made CREE XPG-R5 LED Wide Voltage Range: 3.0V~18V 1 Modes: High.textured reflector for extreme ilumination distance and tightly focused beam Save batteries with 2-3 times the run-time over normal incandescent Never buy bulbs again - LED lifetime over 100,000 hours