Features: Tool free quick release handle bar bracket 5 Nichia super bright LED's Constant & Flashing modes Water resistant Horizontally adjustble Low battery indicator 3.7V Lithium polymer battery USB rechargeable via PC or mac Upto 70 lumen light output Up to 8.5 hours run time 2 hours charge time Cover exchange system You can change the cover of the Mask 5.0 to match your bike Box Contents: Moon Mask front light USB Cable Instructions