Magnetic Design: This LED Strips Are Firmly Attached to PC Case Via Magnet Inside, Suitable for Iron Surface Only Easy to use: Plug and Play Design LED Strip with Molex Connector LED Strip Length: 19.7 inches(with 7.9 inches Cable) Good Quality Super Brightness: Computer Case Light is Super Brighter Than The Normal LED Strips to Achieve Best Lighting Effect for Your PC Computer Risk-free Purchase: If you have any questions, please contact us immediately, we will reply within 24 hours