ZOZO 12W 3V 4.5V 5V 6V 7.5V 9V 12V Regulated Multi Voltage Switching Replacement Power AC Adapter for Household Electronics Routers Speakers CCTV Cameras Smart Phone USB Charging Devices Multi Voltage 12W replacement power adapter for many kinds of small household electronics, like Router, Speaker, CCTV camera system, LED strips and other compatible devices. We especially add a micro USB plug, it will give much convenience for powering most smartphones and tablets Input:110-240V, Output: 3V, 4.5V, 5V, 6V, 7.5V, 9V, 12V, Max 12W. DC Plugs Dimension: 5.5x2.5mm, 5.5x2.1mm, 4.0x1.7mm, 3.5x1.35mm, 2.35x0.75mm, and 1 Micro USB plug. The choosing plugs are very popular used in daily life, meet your power needs for lots of small digital devices at home. With these plugs and different voltage output, you can save a lot of buying different voltage ac adapters [IMPORTANT] DC Plug Polarity: inner Positive(+), outer Negative(-). The Polarity is not compatible ALL Devices. Some musical device requires inner Negative and outer positive (totally opposite), please check carefully before buying. Any using problems, please contact us before returning. We always stand behind [Choose Correct Voltage before Powering] Small household appliances usually don't have circuit protection, if with the 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, 4 piece choose 6V, etc Package include: 1 x 12W Multi Voltage Ac Adapter, 6 x Plugs, 1 x Iron Sheet