Specification:Item: Adapter CardColor: GreenAdapter Card Size: 12.8 * 4.8cm / 5.04 * 1.9inchesItem Weight: Approx. 67g / 2.36ozPackage Size: 18 * 9cm / 7.1 * 3.5inchesPackage Weight: 69g /2.4oz Features:Designed to make a power supply for desktop PC with your power supply, with 4 channel voltages to run almost any of your embedded electronics projects.Provide quick access to the typical voltages needed including 3.3V, 5V, 12V and -12V.Each output channel is equipped with replaceable 5A fuse and corresponding ground connection, with binding post, easy to connect.24pin ATX interface, power indicator and power switch, easy to control DIY low voltage power supply for developing physical computing projects (embedded systems).PCB plastic spacer is designed for preventing short circuit.24 pins ATX computer power sockets, compatible with 20 pins plug.