Power Adapters
Input voltage: AC100-240V 50~60HZ (universal)

Output voltage accuracy ±0.5% (no load)
Power polarity: positive inside and negative outside, inside (+) outside (-)
AC line length: 1 meter
DC line length: 1 meter
DC interface: 5.5*2.5 and 5.5*2.1mm
Color: Black

Output interface: 5.5mm*2.1mm

Connection method: Desktop
Output type: DC
Model: 12V-2A/2.5A/3A/3.5A/4A
Origin: Mainland China