Table LED Lamp 1,Charges in sunlight 2,A built-in compass for the ... LED Lamp 1, Pro-environment: this product powered by solar energy, no pollution produced, it is a green product. ... 2, Low cost: since the solar energy is inexhaustible, low cost for power.3, High brightness ... manual and charge the produce before using.2, The solar panel should face to the natural light when charging.3 ...