Nitecore MH25 Night Blade Light6 3 8" overall. CREE XM L U2 LED. Turbo mode with 860 lumen output and 1 hour, 45 minute runtime. Five customizable modes: strobe; SOS; low 40 lumen output with 28 hour runtime; medium 130 lumen output with 8 hour, 30 minute runtime; and high 320 lumen output with 3 hour, 15 minute runtime. 236 beam distance. Uses one 18650 Li Ion rechargeable battery (included) or one disposable CR123 Battery (Not included). Includes tactical ring, black cord wrist