Flashlight Bulb LED Upgrade - 450+ lumens - CREE R5 5 Mode Drop-in - P60 design: Surefire, Hugsby, Etc. 5 Mode (High, Med, Low, Strobe, SOS) Wide Voltage Range: 3.6V~18V Smooth 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 Increase your flashlight's brightness up to 450 lumens with the US made CREE XPG-R5 LED