Hours of light with fully charged battery according
to Light Setting:
I: at least 28hours
II: at least 14 hours
III: at least 10 hours
IIII: at least 8 hour
Input : Sunlight or DC.
Output : Can charge mobile phone by USB.
Bar Graph Battery Level indicator.
Charging time: 10 hours by Solar.
Overcharge and over discharge protection.
Robust Design : Extra Strong ABS Plastic for rugged use.