With four settings:50% brightness - 100% brightness - Blue&Red Flashing - Off.
Size:6 inches,Weight:0.42kg,Function:Power Bank.
Worktime:>12hours under 50% brightness,>6hours under 100% brightness,>24hours under SOS.
It's widely used for camping,touring and any other emergency uses.
Also,it's popular among workman.
Blue&Red flashing could be changed into other flashing like Amber flashing:
Also,your logo printing on the glass is available.