FUNCTION: Works well as a motherboard's 2-pin power switch header or restart switch. USER-FRIENDLY: Easy to install,plug and use.Just DIY instead of going to a repair shop. LENGTH: 50CM/19.7inch.Fit most computer cases as tool kit to test or repair a motherboard. IMPORTANT NOTE: Please make sure your device's power in disconnected before installing. PACKAGE CONTENT: Cost-effective 3-Pack 2-pin power switch cables,comes with retail bag.