DUET Power Adapter - This is a Universal Power Supply that can be used in most countries. Specifications: Input AC 100 – 240V – 1.5A, 50-60Hz; Output: 12V--- 4.17A, Fuse rating: T2.5A/250V. The DUET Power adapter comes with a detachable Power Cable for use in the United States. For European use, a detachable European Power Cable needs to be selected.