Cateye Volt 1600 USB Headlight EL1010RC

Dimension：114.9 x 59.6  x 44.2 mm
Weight：260 grams (light unit and battery)
Light source：High intensity white LED X2
Run time：
High mode  1600 lumens：2hrs
Middle mode   500 lumens：5hrs
Low mode  200 lumens：15hrs
Hyper Constant mode  1600/200 lumens：12hrs
Flashing mode   200 lumens：100hrs
Battery：
Li-ion rechargeable battery (3.6V-6800mAh) 
Recharge time：
approx 9-16hrs
Recharge/discharge number of times：
about 300 times（until the rated capacity drops to 70%）
Other: 
Low battery indicator, lighting mode memory function. Helmet mount / Center fork bracket (optional)