This USB power supply adaptor is ErP V compliant and has a low standby current consumption of 0.17W max. It can provide 5V at 1200mA.
To power the Camera Axe or Arduino you need this cable
and for the Raspberry Pi this one.
Input Voltage: 90-264VAC
Output Connector: USB Type A
Output Current: 1.2A
Output voltage: 5V
Power rating: 6W
Ripple and Noise: 100mV Pk-Pk