Superior quality: The 2-wire jelly splice connectors are made of premium plastic and contain sealing gel inside to ensure an airtight environment for wires. Branch connectors can be crimped to prevent wire twisting and stripping. This cost-effective solution is ideal for joining cables that are difficult to solder. Gel-Filled and Waterproof Design: The grease-filled interior provides moisture resistance and reliable waterproof protection. The gel-filled construction helps create a sealed environment to protect connections from air and moisture, preventing corrosion. Applicable Size: The clamping contact terminals fit conductors with an inner diameter of 0.4mm to 0.7mm and a maximum outer diameter (including insulation) of 1.52mm. Easy and Quick Assembly: These electrical splice connectors are simple to install with minimal risk of moisture ingress. Insert the stripped wires into the designated holes and press the yellow cap into the clear housing to secure the connection. Versatile Applications: Suitable for use with telephone cables, alarm system cables, 12V wiring, speaker cables, and similar low-voltage applications. Ideal for use in gardens, underground installations, and invisible dog fence systems. Note: Measurements are manually taken; please allow 13 cm variation. Color may vary slightly due to lighting and screen settings. Actual product may differ slightly in appearance. Package Quantity: As shown in the main image.