US ENERpower power supply 12V AC-DC 0.5A, 1A, 2A output (24W) 5.5 x 2.1 mm

Do you need a power supply or power adapter with 12V input für the US market?

3 different versions of Power suppliers with 0.5A (6W), 1A (12W) and 2A (24W)
 
Highlights

    Safety: UL
    DC round plug 5.5 mm / 2.1 mm
    Input: 100-240V AC 50-60 Hz
    Output: 12V DC / 0.5A (6W), 1A (12W), 2A (24W)
    Output connector: DC barrel connector 5.5mm x 2.1mm