Alightings LED Light Strip Connector 4pin Kit for 5050 RGB Non-Waterproof Flexible Tape, Connect Strip to Strip or Controller (Pack of 15) This product is a must-have component of your strip light project since it will help you to save time and headache of soldering.Use this connection box to join cut RGB 5050 LED strip light together without soldering Suitable for Non-waterproof rgb led strip light with 10mm wide PCB board;such as 3528 rgb light strip,5050 rgb led strip light Contains 5 pcs Gapless Connectors, 5 pcs with one side wire connectors, 5pcs 4PIN Stirp-to-Strip Cable Connector Total of 15 Pieces Pay $17 or more if you purchase these items separately