The P60L''''s'' solid-state LED and precision reflector create a smooth, 80-lumen beam that''''s'' bright enough to temporarily overwhelm an aggressor''''s'' night-adapted vision. And it continues producing useful light levels for up to 12 hours on a single set of batteries, depending on which flashlight model it''''s'' used in. Unlike LED conversion heads, which replace the flashlight''''s'' entire bezel assembly, the P60L replaces only the incandescent lamp/reflector assembly. Simply unscrew the flashlight bezel, remove the incandescent lamp assembly, and drop in the P60L.