Premium Quality: The 2-wire jelly pads are made of premium plastic, including 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 also make it possible to assemble cables which are difficult to solder. GEL-FILLED & LEAKPROOF DESIGN: Interior filled with moisture-proof grease, keep a good seal, safe and reliable. The interior gel-filled design promises an airtight environment for riders. corrosion to protect the connection from air and moisture. Applicable size: Binding terminals with clamping 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. EASY AND QUICK ASSEMBLY: Electrical conduit fittings are quick and easy to assemble with less risk of moisture by simply inserting the splice wires into each hole, then pressing the yellow button in the clear plastic housing. Various occasions: 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 versatile for garden, invisible dog fence, underground laying and many more. Description: It belongs to UY type conductor butt splicing, which changed the traditional complicated method of cable wire twist and solder connection. The colloid-filled waterproof design promises an airtight environment for drivers. The exquisite design provides anti-corrosion function to protect the connection from air and moisture. Insert two conductors separately into two ports without stripping conductor insulation; Crimp or press the yellow button on the two inner conductors with pliers (here is not included.); Now You're Done Feature: Made of premium plastic, including sealing gel inside the case that promises an airtight environment for drivers. Applicable for 2 cables with an internal diameter of 0.4mm to 0.7mm. Quick and easy assembly. Applicability: For connecting cables, it is used to connect two telephone wires, data signal cables and other conductors. Specifications: Model: K1 Type: 2 port, single blade Color: orange, transparent Size: as shown Suitable wire conductor diameter: 0.4mm to 0.7mm Material: plastic sheath, filled with waterproof colloid used to connect two telephone wires, data signal cables, and other conductors. Package Content: 200pcs x UY Butt Splice Connector Kindly advice Different lighting and display may cause the product color to be slightly different between the product and the actual product. The measurement tolerance is +/-1-3mm.