Note：This item comes with 220V- , please confirm the voltage of your area before purchasing. Description The portable power features - and 5.5mm*2.1mm size. It may work with other devices required 3V 1A power and physically fits the . With high performance and portable design, it is suitable for home and use. Features - Brand: WINOMO. - ColorBlack Voltage： 220V- - Material: Durable plastic and metal. - Input: 100- 50-60Hz - Output: 3V 1A (2000mA) - : Inner Diameter: 2.1mm; Outer Diameter: 5.5mm - Working environment temperature: -10 to +40 degree centigrade - Working environment humidity: 5%-90% - It may work with other devices required 3V 1A power and physically fits the - High performance and portable design, suitable for home and use - The power is very durable and easy to operate. It is with multi safety protection and secure to use - efficiency, friendly to the earth - The inner diameter is 2.1 mm, outer diameter is 5.5 mm. Package list: 1 x WINOMO Power