10ft/3m from solar panel to light/pump directly, allows for more optimal placement, and more flexible installation options Waterproof IP65 solar extension wire. Connector size 13.5mmx3.5mm Compatible with Biling Solar Water Pump, Biling Solar Air Pump. Also suitable for other brands of solar water pumps and solar air pumps Pure copper material: good conductivity, high utilization, long life. Resistant, high quality weatherproof material. Low Voltage system that is easy and safe to install. Suitable for all products that lead out wires from solar panels, including solar water pumps, air pumps and spotlights, etc.
Please note the shape and size of the plug