TronicsPros 4 Pin 10mm LED Connector for Waterproof 5050 LED Strip Light RGB LED Strip Connector Jumper- 17cm/ 6.7 inch Long(10 Packs, Waterproof Clasp) Compatible with: These connectors are in waterproof design, and only works for "Waterproof SMD 5050 RGB LED strip lights". Not for SMD 3528 RGB LED strip lights or Non-waterproof SMD 5050 RGB LED strip lights. Functions: Connect between 2 waterproof 5050 LED strip sections to bypass/bend around a corner,curve,angle or gap, making connection natural and beautiful. Easy to use: No need to solder. Just clasp your prepared led strip section into the connector to get connected. Flexible & Durable: Each cable consists of 4 individaul wires. With 17pcs of tin-plated pure copper threads stranded inside each individual wire, these cables are flexible and durable enough to bend or twist in ANY ANGLES without breaking. Pure copper wires electroplated with tin can prevent oxidation and guarantee a longer service life. From TronicsPros: Package Comes with Unique Amazon Barcode "X000VTUSXF". 10pcs inside.