... IP653.lifespan:over 50,000h4.3 years warranty5.mono/polycrystalline silicon6.light source:high bright LED7. ... areas, industrial areas, sidewalks, squares, parks,etcspecification Solar paneltype monocrystalline silicon or polycrystalline silicon feature1*45w imported ... single crystal silicon solar panels Batterytypemaintenance-free lead-acid battery. feature ...