1,Solar cell of single crystal silicon with utmost power 234mw 2 ... hours 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 decided ... with full power7,Height 15 cm ,diameter7.2cm,weight260 grams solar security lamp