Practical Cable Connectors: 40 professional 314 waterproof cable connectors, adopting the T-connection method without cutting the main line, extend the boundary line of the robot lawn mower. Moisture-proof and Durable: Made of flame-retardant nylon and PP with special silicone gel prevents moisture from the connection. The brass inner element construction ensures good conductivity and tin-plated to prevent corrosion. Easy to Use: Just plug the wire end into the wire connector, no need to solder and strip, then clamp them with pliers, it's easy and safe. High Quality: The robot lawn mower wire connector is made of high quality ABS material, with a white shell and a blue cap, the connecting blade is made of high quality copper quality, gel-filled, waterproof and moisture-proof. Applicable to all robot lawn mowers: The cable connector has 3 holes to accommodate 2 or 3 cable connections, compatible with most robot lawn mower models, such as R40Li, R45Li, R70Li, etc., suitable for 0.5 mm²