Specifications mso border left alt 0 5000pt solid rgb 0 0 0 border right 1 0000pt solid rgb 0 0 0 mso border right alt 0 5000pt solid rgb 0 0 0 border top 1 0000pt solid rgb 0 0 0 mso border top alt 0 5000pt solid rgb 0 0 0 border bottom 1 0000pt solid rgb 0 0 0 mso border bottom alt 0 5000pt solid rgb 0 0 0 Bike Light Flashlight ANSI NEMA FL1EcoLOWMEDHIGHTURBOSTROBE SOSOutput13Lumens120 Lumens320 Lumens520 Lumens900 Lumens520 Lumens21700 Runtime6D20h 20min11h 15min5h5min 2h 40min Intensity11700cd Max Distance216m Max Impact Resistance1 5mWaterproofIP68 underwater 2mBattery1x 21700 Li ion Battery Included mso border left alt 0 5000pt solid rgb 0 0 0 border right 1 0000pt solid rgb 0 0 0 mso border right alt 0 5000pt solid rgb 0 0 0 border top none mso border top alt 0 5000pt solid rgb 0 0 0 border bottom 1 0000pt solid rgb 0 0 0 mso border bottom alt 0 5000pt solid rgb 0 0 0 Battery BrandLumintopType21700Capacity5000mAhVoltage3 7VCharging current4 8ASize70 21mmWeight70g Features 1 Utilizes XPL HD LED with 50 000 hours lifetime2 Power by one 21700 Li ion battery3 Four useful modes plus Strobe and SOS with a max 900 lumens output4 Tapered surface reflector designed with German standard reduce the hazard of glare to oncoming people and traffics5 Micro USB rechargeable with charging indicator max charging current up to 2A6 Reverse polarity protection protects from improper battery installation7 One side switch operation fast and convenient8 Lock out funct