https://alexnld.com/product/ys-3swa-ac-to-dc3-3v-5v-6v-9v-12v-15v-24v-500ma-switching-power-supply-module-ac-to-dc-converter/?hilite="Multi Voltage Power Adapter 2500mA 3v 4.5v 5v 6v 9v 12v DC 1A Power Supply"