GS-J04 Solar Warning Light, the shell adapts the benzene particles materials, which has waterproof and high strength function. Top cover adapts transparent polycarbonate material which has high strength and anti-aging function. On this basis, the internal increase of waterproof and seawater corrosion treatment. Apply sealant to the joints, ensure that the product rain-proof, waterproof and seawater corrosion. For your water operations provide a strong guarantee.