✅ (Excellent material) Made of Polycarbonate and PA66 a; high strength, fire 94v2 CE, KEME, ENEC - Professional waterproof design For ground cables. ✅ (Junction box connector) with 3 sets of different size silica gel sealed bearings, nut to nut. screwing changes the inner diameter of the washer as it rotates to fit the washer perfectly. different cable sizes. Cable range: 4-8mm / 8-12mm / 10-14mm, internal space 112x92x47mm and external space 157X152X62mm. ✅ (Waterproof IP68) with professional variable waterproof cable thickness design. 4mm to 14mm cable is available. By turning the caps, a rubber ring closes around the cable and closes it completely. ✅ (Widely used) Waterproof junction box suitable for home, garden, farm or quick connection of outdoor lighting and outdoor wiring.