ThruNite T30S series Tactical LED Flashlight Black/Powered by 18650 or CR123A battery/silver strike bezel LED: Cree XM-L2 U2 with a lifespan of 50,000 hours using CR123A or 18650 batteries Side Switch on tail cup for Military and Tactical Application 4 modes Low -Mid -High including Strobe with memory function Package Included: 1 x TN30S V2 Cool White ; 1 x 3200Mah