Getting this switching power supply means you get a power supply and a switch, this switching power supply can be on or off by a button, you just need to press the button, then the power supply can be on or off.

Plug type:USA,EUROPE,UK,AUSTRALIA standard
Input Voltage:AC90-264V
Output Voltage: DC12V
Operating Current:1A
Power:12W
Weight:150g
Operating temperature: -20°C+45°C
Storage temperature: -20°C+75°C
Protection:Short,Over voltage,Over Current