Wefomey Universal Netzteil 3V~24V 3A 72W einstellbar variabel AC/DC Adapter
Output Current: Max 3A. The 17cm short black power cord is a reverse polarity converter, not extension wire. Reverse polarity converter: 5.5mm x 2.1mm. Output DC connector:5.5mm x 2.5mm (inside"+", outside"-").