Features:
Dimension：93.1 x 30.3 x 40 mm
Weight：95 grams (light unit and battery)
Light source：High intensity white LED X1
Run time：
High mode 500 lumens： 2hrs
Low mode 100 lumens：14.5hrs
Hyper Constant mode 500/100 lumens： 12hrs
Flashing mode 100 lumens： 120hrs
Battery：Li-ion rechargeable battery (3.6V-2200mAh)
Recharge time：approx 6hrs (USB2.0 recharge)
Recharge/discharge number of times：about 300 times（until the rated capacity drops to 70%）