This compact rechargeable polymer tactical flashlight uses an LED rated at 800 lumens that works in conjunction with a high-efficiency deep parabolic reflector to create a usable beam rated at 205 meters. The tail-cap switch provides momentary or constant-on functionality. The housing is made from glass-filled nylon polymer. Power comes from a rechargeable Lithium-ion battery and includes the ability to run from a pair of CR123 batteries (batteries not included) thanks to the CR123 Battery Carrier (included). (Not compatible with rechargeable CR123-style batteries.) NightStick®, TAC-410XL, Tactical Flashlight, Series: TAC, 800 Lumens, Focused Beam, 50000 hr Average Life, CR123 Lithium Battery, 2 Batteries, Black, Nylon Polymer Housing Material, IPX7 Enclosure