Multi Voltage 12W Universal AC DC Adapter replacement power supply for many kinds of household electronics, like Router, Speaker, CCTV camera system, LED strips and other compatible devices. We especially add a micro USB plug. Do not charge laptops or toy cars, not battery chargers. Input:110-240V, 50/60Hz; Output: 3V 4.5V 5V 6V 7.5V 9V 12V 1Amp 12W max. The Carefully selected 8 DC plugs are popular used in daily life, meet your indoor power needs for lots of small digital devices at home. With these plugs and different output voltages, save a lot of buying different ac/dc power adapter chargers.Excluding USB C plug, please check that the charging plug size of your device is included in the provided plug list DC Plug Polarity: inner Positive, outer Negative. Not compatible with all devices. Some device requires inner Negative and outer positive (totally opposite), please check carefully before buying this ac adapter Choose Correct Voltage: Small household appliances usually don