SOLAR POWERED & ENERGY-EFFICIENT: it's recharged by sunlight and stores power for night lighting with built-in Ni-MH battery, moreover, 800mAH battery capacity plus high efficient monocrystalline silicone solar panel make it charged fully in 8 hours and used constantly up to 72 hours, energy efficient and sustainable. LIGHT CONTROL: automatically light up in the darkness when the frontal illumination is below 500 LUX, sensitive and smart. GOOD BEARING CAPACITY & FOG-PROOF: it's made by aluminum alloy which has good bearing capacity(it can withstand the weight of more than 10T) and it utilizes excellent quality LED chips which ensure that the lights has good penetrability(fog-proof), no worry about crack and darkness. IP68 WATERPROOF: the protecting grade reaches up to IP68, which means this light possesses excellent waterproof and dust proof function, practical to use. APPLICATION SCENE: it can be widely used in road, street, avenue, highway, parking lot, trafficway, path, etc.