ETC F300B USB Rechargeable Front Light
Functions : 100% SOS/Steady, 70% Steady, 50% Steady - Off.
Low Battery Indicator
Battery Size: 3.7v 2200mAh Proprietary Lithium (included)
Run Time: 2.5 hrs 100%, 5 hrs 50%
Charge Time: 4.5 hours
Please note: Manufacturers can sometimes change the specification of the products from time to time.