Fit Krypton/Xenon Maglite 2D015/16 erie torche. Light output up to 430 or 40 lumen. Eay to change like conventional bulb. 55 lumen dim mode i particularly uitable for reading. Integrated overheating protection and particularly heat-conductive houing of the module. Energy-aving up to 10 time lighting time compared to krypton. High-hock and vibration reitance. With newer Maglite (bi-pin) the white adapter mut alo be removed (imply pull out). Maglite LED lamp cannot be converted with the module.