SIM&NAT LED Solderless Extension Power Cord 20AWG 10 Feet Male to Female 5.5mm x 2.1mm DC Extension Power Cable for 5050/3528 LED Strip String Light, CCTV Functions  1.Connect between LED strips and power. 2. Connect between LED strips and IR/RF Controller. 3. Connect between LED strips and LED strips Usability  With 2 Pre-soldered female connectors, you can directly joint power to 5050/3528 RGB LED strips or IR/RF controller without welding with this led RGB strip extending power cable 5.5mm x 2.1mm, Male to Female. Length: 10Feet / 3 Meters Material: PVC Plastic. Color: Black. Net Weight: 2oz/57g Wear resistance, Aging resistance, Corrosion resistance, Oxidation resistance, Anti-exposure, High safety factor. The pure copper wires inside make sure it would not run out of work even lots of flexing