This is a really nice power supply. It's a switching DC supply so it's small and light and efficient. It is thin so it fits in power strips without blocking other outlets. The output is regulated so you'll get a steady 9V up to 1000mA (1 Amp) of current draw. 5.5mm/2.1mm barrel jack, positive tip. This supply is designed to work anywhere in the world, 100V-240V AC wall power, you'll just need a low-cost plug adapter. https://elecena.pl/product/17497674/9-vdc-1000ma-regulated-switching-power-adapter-ul-listed 2021-04-06 https://elecena.pl/product/17497674/9-vdc-1000ma-regulated-switching-power-adapter-ul-listed 2021-09-21