PREMIUM MATERIAL: It is stamped and formed from high quality flame retardant ABS engineering stamping. The average thickness of the box body is relatively high and has strong impact resistance. It also has strong flame retardancy and good insulation, and can prevent static electricity. ADVANTAGES: The junction box is dustproof and waterproof and the protection level is IP65. Good sealing performance effectively blocks water droplets and water vapor from the outside. Even when installed on the deck and exposed to the impact of sea waves, the internal components will not be damaged. PROFESSIONAL DESIGN: The junction box is internal screw nut type, which can better fix the guide rail junction box and terminal board. The junction box uses professional stainless steel screws and solid copper nuts, making the installation more stable and the service life longer. PORTS: There are several openings on the outside of the junction box. You can use waterproof connectors, cable clamps, mounting