This compact rechargeable polymer Xtreme Lumens tactical flashlight uses a CREE 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 CR-123 batteries (batteries not included) thanks to the CR-123 Battery Carrier (included). Super-bright Xtreme Lumens design CREE LED technology ��� 50,000 plus hours LED Sharp focused flashlight beam High-efficiency deep parabolic reflector Impact & chemical resistant Large textured tail-switch