?1 Perfect Replacement Power Adapter- Worldwide input: AC 100~240V, 50-60Hz 1.0A, Output: DC 3V 4.5V 5V 6V 7.5V 9V 12V selectable, 2A (2000mA) Max. It can be compatible with all amperage need less than 2A current, such as 100ma 150ma 200ma 250ma 300mA 350ma 400ma 500mA 600ma 700ma 800ma 900ma 1A 1.5A 2A. 2 Multifunctional Power Supply - This adapter is equipped with 8 interchangeable plugs. These DC plugs are fit for 98.5% of many different 3 4.5 5 6 7.5 9 12 volts small household appliances. You can easily convert to different voltages by using the provided keys, it can switch between 3v -12v, easily meet the power requirement of your different devices. 3 Please carefully check the output voltage, current and polarity of your equipment before purchasing