Product details: Adopts insert solar panel whose photo electric conversion efficiency is high to 19% integrated design, cooperate with solar dedicated lithium iron phosphate battery as power supply. Control circuit adopts micro-power consumption single chip controlling chip, which can control battery's charge and discharge statue. Meanwhile, it can reduce controlling circuit's power consumption. Light source adopts high efficient led chip, which has specific of high light intensity, low power consumption, long service life and so on. Lampshade adopts pc material, which can corrosion resistance, anti-uv anti-shock. The base adopts marine-grade dedicated plastic material, it can apply to seaways and chemical plant that have hostile and strong corrosive environment. .