Volt 400xc double click to high 4 modes: high / low / hyper constant / flash runtime: 300lm: 1 hr 100lm: 8 hrs 400lm: 8 hrs 100lm: 20 hrs recharge time: 7 hours usb rechargeablerapid mini triple led with one powerful centre led up to 25 lumen output usb recharge li-ion battery flextight compatible o-ring attachment with adapter included modes: constant / flash / rapid / pulse runtime: 3 30 hrs depending on mode weight: 31g optiCube lens technology battery auto save low battery indicator light mode memory