[Upgraded Version] Belker 12W Multi Voltage 3V 4.5V 5V 6V 7.5V 9V 12V Universal AC DC Power Adapter for Household Electronics - Max Amp 1000mA This AC adapter output is 3V 4.5V 5V 6V 7.5V 9V 12V 1000mA 1A Max. 12W. Compatible with 300ma 350ma 400ma 500ma 750ma 800ma 900ma devices. This multi voltage universal AC adapter can apply to most appliances which the rating input voltage is from 3V to 12V and rating power is equal to or less than 12W. The adapter is very durable and easy to operate. It is with multi safety protection and secure to use. Higher energy efficiency, friendly to the earth. Equipped with 8 premium adapter plugs[including a micro-USB plug], these different plugs are fit for many different small household electronics. It is an useful spare part for your various devices. The polarity of DC plug is inner Positive(+), outer Negative(-). Polarity is irreversible, please check carefully before buying.