Technical Parameter: Protection Degree: IP68 Unplugging Time: 500 Maximum Cable Outer Diameter: 14mm Wire connection method: screw crimp Contact resistance: <5M Insulation resistance: 500M Wire size : 2.5 ~ 4.0 Ambient temperature: -40 ~ +85 Pollution degree: 3 Housing material: thermoplastic Conductor Material/Coating: Copper Alloy/Nick Plating Waterproof Design: By protecting the silicone sealing ring, our junction box can achieve super waterproof effect. Compared with the old version, the waterproof is up to IP68, which allows water immersion up to a maximum depth of 4m. Widely used: outdoor junction box ABS-PVC, compression and temperature resistance, will not crack or fade in the sun, designed for home, garden or farm. This waterproof junction box is ideal for harsh industrial or outdoor environments. Safety and ease of use: easy and quick to use, ideal for repairing and extending power cords. The junction box can easily be installed under the floor and provides full protection for the cable line. Waterproofing is excellent: high quality materials, waterproof silicone seal, the different sizes allow you to to create a snug fit. Stable and has good waterproof functions. Smart design: easy to install and no tools required This junction box offers you a new way of wiring with the terminal wrench. You don't need a screwdriver, no tools at all. Just lift and press and that's it. Our technological innovations can not only reduce wiring time by more than 50%, but the connection also becomes stronger.