Conforms to the standard IEC type test certified products, protection class IP 65 dustproof, waterproof, high impact strength (IK07), UV resistance (intensity of direct sunlight), corrosion resistance, does not contain harmful substances (halogens, silicones, etc.), suitable for installation in the outdoor and harsh environments complete set of systems can be increased in the increased use of solar energy, increase the splicing of the corresponding power distribution device, do not need to be replaced.