MULTIPLE PURPOSE: The signal transmission connectors are applicable perfectly for telephone cables, alarm cables, 12v cables, speaker cables and other similar cables. The connectors can also be in versatile use for Garden, Invisible Dog Fence, Underground laying and many more. PREMIUM QUALITY: The 2 wire jelly pads are made of plastic top quality, including a sealing gel inside the case that promises an airtight environment for drivers. The branch connectors can be crimped to avoid twisting and stripping the wires, it is a good product at a low price and much better than rusting dominoes, they can also assemble cables that are difficult to solder. PERFECT SIZE: The binding posts with clamp contacts are applicable to conductors with an inner diameter of 0.4mm to 0.7mm and a maximum outer diameter (including the insulating layer) of 1.52mm. ANTI MOISTURE: The waterproof wire fittings are filled with gel, which allows them to work perfectly against moisture and corrosion. QUICK ASSEMBLY: The electrical conduit fittings are easy and quick to assemble with less risk of moisture by simply inserting the splice wires into each hole and then pushing the yellow button into the clear plastic housing.