1,Solar cell of single crystal silicon 5,Lighting color ... with full power Main technical indexes and specifications:1,Solar cell of single crystal silicon with utmost power 234mw2 ... ,Ultra high lightness LED,6 tubes3,Flash frequency:90±5 time per minute(Frequency can be ... diameter7.2cm,weight260 gramsIf you are interested in those solar lamps,please feel free to contact Miss liu atTel: ...