1,Solar cell of single crystal silicon 5,Lighting ... 120 hours with full power Main technical indexes and specifications:1,Solar cell of single crystal silicon with utmost power ... MH1.2/1800mah5,Lighting colors;red,yellow,blue,green and white6,Continuously working about 120 hours with full ... diameter7.2cm,weight260 gramsIf you are interested in those solar lamps,please feel free to contact Miss liu atTel ...