1)Light source:1w/3w led 2)High/Low/Strobe/SOS/ 3)1* CR123A battery 4) ... 5)1W 80-120lm;3W 120-250 lm diving flashlight,diving torch,led diving flashlightProduct nameDiving FlashlightProduct CodeSY-DF-09002Detailed function descriptionAnodized ... )Optional AccessoryNylon holster,wrister lanyard,charger,batteryQuality approvalRoHS,UL,CE led diving flashlight(SY-DF-09002)