Need a lot of 5V power? This switching supply gives a clean regulated 5V output at up to 4 Amps (4000mA). 110 or 240 input, so it works in any country. The plugs are "US 2-prong" style so you may need a plug adapter, but you can pick one up at any hardware store for $1 or so, or you can buy a 'figure-8' cable for your country, also available at any electronics or hardware store.This cable terminates with a 'standard' 5.5mm OD, 2.1mm ID positive tip connector and matches with our 2.1mm extension...