Fits all Krypton / Xenon Maglite S2D015/16, S2C015/16 Light output can be up to 430 or 40 lumens. 40 lumens low mode particularly suitable for reading. . Easy to change like a regular bulb change. Integrated overheat protection to avoid any damage caused by overheating. Energy-saving the run time will be up to 10 times than with the original Krypton bulb. High impact and vibration resistance. 5 Year limited warranty. For newer Maglite (Bi-Pin) the white adapter also needs to be removed (simply pull out) LiteXpress LXB430 2Mode LED Upgrade Modul 430 and 40 Lumens, ONLY to be used for 2 C/D-Cell Maglite Flashlights, original LED Maglite can NOT be modified!