HIGH QUALITY MATERIAL The cable connector housing is made of durable ABS and PVC. The copper center conductor provides better abrasion resistance and better electronic conductivity. It has fireproof function, dustproof function and shockproof function, so it can be used even in strong sunshine or rainy days. PROFESSIONAL IP68 WATERPROOF IP68 DUSTPROOF Professional waterproof and dustproof design (maximum depth of 4m underwater), rubber rings and junction box nuts together ensure excellent waterproof performance, waterproof to dust and water. They can be used for indoor or outdoor cable connection. SAFE AND EASY TO USE Chefic junction box has been certified by TUV, RoHS and CE. Secure and easy connection, only a screwdriver is needed. Instructions: 1. Remove both ends of the junction box and run the wire through; 2. Connect the ground wire to the hole (marked E), the live wire to L, the neutral wire to N; 3. Fix the wires inside the poles with a screwdriver and tighten the nuts. WIDE APPLICATIONSIt is suitable for 2 or 3 pin indoor and outdoor wiring connection and external wiring, such as LED billboards, tunnel lights, road scenery lights, underwater lights, street lights, etc. Cable size: 1mm - 13mm; Operating temperature: -45~105