About this item WORK FORThis Multi Voltage AC DC Power Adapter supports 3-12V with a maximum output of 1000mA (1A) and 12W. It comes with 8 plugs, making it compatible with a variety of small household electronics such as wireless receivers, chess sets, game consoles, paper shredders, DVD players, radios, speakers, audiotape recorders and players, and various electronic devices. MULTI VOLTAGE AC DC POWER ADAPTEROutput options include 3V, 4.5V, 5V, 6V, 7.5V, 9V, and 12V. Adjust the voltage easily using the included key. Caution: Not compatible with devices exceeding 12W, 12V, or 1.0A. EQUIPPEDThis 12V Universal Power Adapter comes with 8 adapter plugs, catering to your appliances' needs and solving multiple charging issues. Eliminate the clutter of numerous chargers. IMPORTANT12V 1A 12W AC Adapter DC Plug Polarity: inner Positive(+), outer Negative(-). Please note that this polarity is irreversible and may not be suitable for all devices. Some musical devices require an opposite polarit