【MULTIPLE USE】: The signal transmission connectors are perfectly applicable to telephone cables, alarm cables, 12v cables, speaker cables and other similar cables. The connectors can also be used in multipurpose applications for gardening, invisible dog fence, underground installation and many others. 【PREMIUM QUALITY】: The 2-wire jelly pads are made of premium plastic, including a sealing gel inside the case which promises an airtight environment for the conductors. The branch connectors can crimp to avoid twisting and stripping wires, it is a good product at a low price and much better than rusty dominoes, they can also assemble cables that are difficult to solder. 【PERFECT SIZE】: The connection terminals with clamp contacts are applicable to conductors with an internal diameter of 0.4mm to 0.7mm and a maximum external diameter (including the insulating layer) of 1.52mm. 【ANTI HUMIDITY】: The waterproof wire connectors are filled with gel, which allows them to work perfectly against