Features:
Dimension: 111.3 x 30.6 x 41.3 mm
Weight：120 grams (light unit and battery)
Light source： High intensity white LED X1
Run time：
High mode 400 lumens： 3hrs
Middle mode 100 lumens： 8hrs
Low mode 50 lumens：18hrs
Hyper Constant mode 400/50 lumens：11hrs
Flashing mode 50 lumens：60hrs
Battery：Li-ion rechargeable battery (3.6V-2200mAh)
Recharge time：approx 3-6hrs (USB2.0 recharge), 3hrs via optional fast-charging cradle
Recharge/discharge
number of times：about 300 timesuntil the rated capacity drops to 70%