... (strong-low-flash MaterialAerometal 6063Surface TreatmentHard AnodizingBulb TypeCree 3W high power LED,life 100,000hoursMaximum Brightness120LMVisible Distance800mBattery Type1*SC(1.2V ... on tail can be realized changing in different gears.Flashlight head design features with attack,dumb black sand surface ... ,hiking,walking search,site inspection,security,bike using. LED high power torch light(HM-FA31)