This is a 5V USB charger wall wart. Ideal for supplying power to your Arduino when there is no computer near by. It can be used as Arduino power or chager for any USB device such as Mobile Phones, Iphone, Ipad and Tablet. Specification * US standard power plug. (two flat prongs) * provides between 5.1v to 5.4v * Current:1A * CE,FCC certificated * Rosh compliance Shipping List * US USB Charger x1 https://elecena.pl/product/22714453/wall-adapter-usb-power-supply-5vdc-1a-american-standard-discontinued 2023-03-06 https://elecena.pl/product/22714453/wall-adapter-usb-power-supply-5vdc-1a-american-standard-discontinued 2024-09-19