[Insulation Material]: The boundary line connector is made of high-quality plastic, which is very strong, not easy to break, and has high insulation, which can ensure that the cable inside the clamp is not corroded. The crimping mechanism can firmly fix the cable, and the connection is safe. [Gel Filling]: The 314 connector itself is flame-retardant and insulating, and the internal gel can form an airtight environment to prevent moisture from the wires and ensure a firm connection. Double protection makes it easy to repair or extend the cable. [Special Design]: The cable connector has a U-shaped tinned contact connection structure, so it has excellent insulation and connection speed, which can well avoid poor contact, leakage or other problems. [Easy to Install]: The wire connector has 3 holes, can support 2 or 3 cable connections, which has the characteristics of quick connection and no peeling. Insert the end of the cable as far as possible, and then squeeze the blue part down with pliers to fix and connect the wire. [Multiple Applications]: Our waterproof wire connectors are very suitable for repairing or extending cables, and can be used for various wiring projects. It can be used for lawn mower robots, irrigation solenoids, outdoor and garden lighting, wire laying or other places.