30W Universal AC to DC Power Adapter - Multi Output Voltages 3V 4.5V 5V 6V 7.5V 9V 12V Switching Power Supply with 8 Selectable Adapter Plugs for Routers Speakers Household Electronic (MAX 2A/2000mA)

Universal AC/DC Adapter: AC Input: 100-240V 0.25A 50/60Hz, DC Output: 3V / 4.5V / 5V / 6V / 7.5V / 9V / 12V. You can select different voltages with the provided key. USB Port: 5.0V 2.1A The Power Adapter Output Current: Max 2A/2000mA - The DC power can supply with all amperage which smaller than 2A. such as 200mA, 300mA, 400mA, 500mA, 600mA, 750mA,800mA,1000mA,1200mA,1500mA ,1800mA, 2000mA all is available. For example If your device drawing the current only needs 1.8A then only 1.8A will be supplied. However, if you needed more than 2A then you will get 2A also WIDELY APPLICABLE: This 30W replacement AC adapter comes with 8 interchangeable tips, which makes it fits 95% of AC/DC home appliances, such as 3V to 12V Household Electronics, like router, speakers, CD player, LED strip lights, tablet PC, scales, USB charging camera, CCTV camera system, cameras led and guitar pedals and micro USB connectors for most smart phones etc. [IMPORTANT] DC Plug Polarity: inner Positive(+), outer Negative(-). Its polarity cannot be reversed. Some musical device requires inner Negative and outer Positive (totally opposite), please check carefully before buying [IMPORTANT] Choose Correct Voltage: The Multi Voltage Power Replacement Adapter with Smart IC control, will be full PROTECTION of over Voltages/ over Current/ short Circuits/ over Temperature. But most Small household appliances usually don't have circuit protection, if with wrong voltage, may damage your device. It is important to choose the right voltage before powering your device. If your device use Alkaline battery AA or AAA, then each piece is 1.5V, 2 piece choose 3V, 3 piece choose 4.5V