[Junction box connector]: 2-way (3-pole) M16 plug wire connector with three sizes of rubber rings, which can meet the cable range of Ø 3.5-7mm/7-10mm. [IP68 waterproof]: The connector is waterproof, moisture-proof, dustproof, UV resistant, and corrosion-resistant. It can be used in sunlight or rain, but it should not exceed 3.5 meters in water. [High quality material]: The waterproof wire connector is made of nylon PA66 material, resistant to high and low temperatures, V-0 flame retardant, operating temperature: -40°C-105°C [Easy to install]: The waterproof electrical connector is small in size and , and can be easily installed with just one screwdriver. [Widely used]: Junction box connectors are suitable for connecting garden and outdoor displays, tunnel lights, street lights, underwater lights, landscape lights, modular lights, courtyard lights, buried lights, fountains, and for repairing and extending power cables Features:waterproof, fire resistance, anti-corrosion Junction box