Thoughtful DesignWaterproof wire connectors uses double U-shaped elements, so contact surface is doubled, resistance is reduced, mechanical handle also prevents the wires from being pulled out. Installation Note Support 2 way lawnmower connector, fast connecting, insert the wires directly into the grease filled robot lawnmower cable connectors, and press the blue cover with to ensure the cable connection. Gel fillingThe electrical connectors are filled with resin glue. The special gel prevents the cable from getting wet and firmly connected, and the Gel Connectors can be easily used outdoors and in the garden. Waterproof and the special gel keep your cables from moisture and ensures a solid connection Durable material Quick cable connectors resin filled is made of nylon blue cap and white insulator. The maximum temperature range is 105 C and the rated voltage is up to 600V. Widely Application Waterproof connector crimps help to repair or extend cables. Cable clamps are suitable for outdoor and outdoor garden lighting of flymo robot mower, automower fences, irrigation solenoids, wire laying etc, it is good Connectors repair set.