... 2500mA,brightness 1000LM (2) Middle bright: current1200mA, brightness 500LM(3) low-bright: current 300mA,brightness 150LM (4) Strobe ... : current 1200mA,brightness 500LM (5) SOS: current 2500mA,brightness 1000LM3 .Optical PMMA lens material ... Shell aviation aluminum, CNCmachining, anodizing surfacetreatment. 5 .With One 18350 or one 16340lithium battery with protectedcircut board, use ...