1)safety, saving energy and without pollution 2)light control and time control 3)long service life 4)bright LED light. solar panel: 40-150w, mono-crystalline silicon or poly-crystalline silicon.battery: 12V, maintenance-free sealed lead-acid battery.Microcomputer control system: intelligent charging control& battery protection.light source: LED lampsPole height: 4.5-23 meter.Working time: 8 to 10 hours per day, normal illumination over 7 continuous cloudy or rainy days.Operating temperature: -20°C~50°C.Wind resistance: over 32.6m/s

solar street light