*Input: AC 110-240V, 50-60Hz *Dual ports or 4 ports output optional *4 ports output: DC 5V/2.4 max for each port *Dual ports output: DC 5V/2.4A+1A *Dimensions: 67*45*25mm *Over-load protection, short-circuit protection, over-voltage protection and other advanced protections *US foldable plug/EU plug optional