Mini Explosion-proof Strong Flashlight,led rechargeable flashlight,flashinghts&torches. Mini Explosion-proof Strong Flashlight,led rechargeable flashlight,flashinghts&torches.Rated voltage3.7Vrated capacity2000mAlight soruce working voltage3.3-3.5vWorking current350mAAverage service life100000hContinuous working timeabout 11 hoursOutside diameter40mmLength208mmWeight0.28kg