1,Solar cell of single crystal silicon 2,Lighting color various 3,Continuously working about 120 hours with full power Main technical indexes and specifications:1,Solar cell of single crystal silicon with utmost power 375mw2,Ultra high lightness LED with five tubes3,NI-MH1.2/1800mah,continuously working about 120 hours with full power4,Flash frequency:25±3 time per minute(Frequency can be decided ...