【FEATURES Material: polycarbonates, nickel-plated copper contacts. Waterproof and dustproof rated IP68, 1 input / 2 outputs. 4-pole screw terminal, one-to-one connection - Cable diameter min 5 mm, max 14 mm【CABLES IN 3 SIZES】waterproof junction box available in three sizes for cables ø4-8mm, ø8-12 mm, ø10 -14mm, making the junction box more versatile for different wires【SUPERIOR PERFORMANCE】: it is also flame-retardant, dust-proof, mildew-proof and UV-proof, and can be used safely even in the harshest environments such as heavy rain and snow, even underwater, the super tight box helps prevent water from entering.【SUPER WATERPROOF】: IP68 waterproof level (up to 4m in water, up to 72 hours), good waterproof performance, can effectively block water droplets from outside, water vapor, even if it is soaked in water, it will not damage the components【WIDE RANGE OF APPLICATIONS】: IP68 waterproof junction box is suitable for electrical junction boxes, grounding cables, outdoor sockets,