This listing is for a genuine Logitech L-L4-0 AC/DC Power Adapter. It provides a 9V output at 500mA, suitable for various Logitech devices that require this specific power configuration. The adapter features a standard US 2-prong wall plug and a barrel-type DC connector. It is a direct plug-in type, offering convenience and a compact design. This adapter has been tested and is in good working condition, ready to power your compatible Logitech electronics. Please check your device's power requirements and connector type to ensure compatibility.