Nitecore P36 2000 Lumen high intensity neutral white CREE MT-G2 LED tactical flashlight with 4X EdisonBright CR123A Lithium Batteries 2000 lumen max output of using a a CREE MT-G2 LED Runtime of up to 325 hours A multifunctional rotary switch offers unprecedented ease of use 10 brightness levels and 5 special modes for multiple applications Bundle includes four EdisonBright CR123A lithium batteries