Product Description:Universal 12W replacement power adapter for many kinds of household electronics, like Router, Radio, Speaker, CCTV camera LCD, and micro USB connectors for most smart phones etc..6 interchangeable DC output plugs: 2.5*5.5mm, 2.1*5.5mm, 4.0*1.7mm, 3.5*1.35mm, 3.0*1.1mm,2.5*0.75mm,meet your power needs perfectly indoor. 7 different kinds of Voltage adjustment from 3V to 12V, can power much more devices for you. ★Input:100-240V, Output: 3V.4.5V.5V/600mA ，6V/500mA，7.5V/480mA，9V/400mA，12V、300mA.Max 12W All the DC connectors have - on the outside and + on the inside. This AC/DC adapter can apply to most appliances, which the efficient voltage is from 3V to 12V. With safe and multiple function, it's easy to operate, and the adapter is very durable, it's secure to use.