solar LED flashing light can be installed on ships,boats,barges,watercraft,dredger,work ... :140hours. 7)Battery type: Ni-Mh, 5000mah.2.4v 8)Solar panel: mono crystalline 1.1W APPLICATION 1) SHIPS,BOATS,BARGES ... )PORT LIGHTING 4)MARINA LIGHTING 5) DOCK LIGHTINGOur AdvantageLED technologyPrecise light sectoring achieved via our world-class in-house designed lens3nm ...