2016 update of our best selling setvolt 400xcdouble click to high4 modes high low hyper constant flashruntime 400lm 1 hr 100lm 8 hrs 400lm 8 hrs 100lm 20 hrsrecharge time 7 hoursusb rechargeablerapid minitriple led with one powerful centre ledup to 25 lumen outputusb rechargeli ion batteryflextight compatibleo ring attachment with adapter includedmodes constant flash rapid pulseruntime 3 30 hrs depending on modeweight 31gopticube lens technologybattery auto savelow batter