Bicycle Lamp /Headlight Head Light / USB Rechargeable / LED                   /Torchlight / Flashlight / Frog light
Specification:
Mode              Lumen            Time
glare                     250LM                  2.5H
Low light               125LM                  5.0H
Strobe                 250LM                  3.5H 
*Built-in 1200mAh rechargeable battery Quality
*micro USB charging 2.5 hours can be filled