【Premium Quality】: The 2-wire jelly plates are made of premium plastic, including a sealing gel inside the housing that promises an airtight environment for the conductors. The branch connectors can be crimped to avoid twisting and stripping the wires, it's a great product at a low price and much better than rusty dominoes, they can also assemble cables that are difficult to solder. 【Gel-Filled and Waterproof Design】: Moisture-proof grease filled inside, maintains good waterproofing, safe and reliable. The design inside filled with gel promises an airtight environment for the conductors. Good quality and exquisite design offer the corrosion-resistant function to protect the connection against air and moisture. 【Applicable Size】: The connection terminals with clamp contacts are applicable to conductors with an inner diameter of 0.4 mm to 0.7 mm and a maximum outer diameter (including the insulation layer) of 1.52 mm. 【Easy and Quick Assembly】: The electrical tube connectors are easy and quick to assemble with less risk of moisture by simply inserting the wires to be spliced into each hole and then pressing the yellow button into the transparent 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 versatilely for garden, invisible dog fence, underground installation and many others. Description: Feature: - Made of premium plastic, including a sealing gel inside the housing that promises an airtight environment for the conductors. - Applicable for 2 cables with an inner diameter of 0.4 mm to 0.7 mm. - Easy and quick assembly. - Applicability: For connecting cables. Used to connect two telephone wires, data signal cables and other conductors. Specifications: Product Name: UY Connector Model: K1 Type: 2 ports, single blade Color: Orange, Clear Suitable wire conductor diameter: 0.4 mm-0.7 mm Material: Plastic housing, filled with waterproof colloid Used to connect two telephone wires, data signal cables and other conductors. Package content: 300 pcs x UY Butt Splice Connector Note: Please do not hesitate to contact us. We wish you a pleasant shopping experience.