Skysted Best C8 Cree XM-L2 U2 U3 LED 1300LM Single Mode Tactical Ultra Bright Portable Flashlight Torch(Support 18650 or CR123A/16340 Battery) Use 1 x 18650 or 2x CR123A Battery(Not Included),suggest 18650 Sturdy Construction and Compact Design,High Quality C8 Body(not those cheap C8) 1 Mode(High),ON/OFF Switch,more convenient than multi-mode flashlights Work Voltage3.7V-18V,Strong transmission of light, professional design, balance Suit for Hiking, Camping,Household use,Store etc,Outdoor Sports and Indoor Activities