AC 100-240V DC 5V 2A USB Power Supply Adapter Charger US\/EU Plug<br> Features : <br>  <br> This item is One DC  5V 2A 10W USB Universal external switching  power adapter.<br> Solve the problem of insufficient power supply mobile hard  disk.<br> Wide input range， high precision voltage.<br> Power supply polarity: Inside positive outside negative，inside x(+) outside i(-).<br> Input voltage : 100V~240VAC 0.3A， 50\/60Hz<br> Output voltage : DC 5V 2000mA<br> Plug : US\/EU Plug    Package Include :        1 x 5V 2A Power Adapter<br>Detail Pictures :