EXTERNAL SWITCH OF DESKTOP PC: The external PC power button is designed with power switch . Nice and easy DIY desktop pc modification external switch for PC. LED POWER BUTTON WITH 2M CABLE: Sleek power button with LED design, compact in size. The switch button is also with LED design, adding more fun on your desk top.2m long enough extension cable provides better maneuverability. EASY INSTALLATION: There are 3 wires, power SW, power LED +, power LED - . Connect these 3 wires to the corresponding position of the motherboard in turn, or use the standby splitter to connect the original computer power on key and the external power on key at the same time. SELF ADHESIVE DESIGN: Peeling off the backing paper on the bottom, you can stick the power switch on any convenient place for you. PERFECT FOR PC MODIFICATION LOVER: Premium performacne and minimalism mechanical designed desktop computer power button is great accessory for creating a personalized desktop PC.