... Protections:short circuit protection,over current protection,over temperature protection.3. High energy efficiency,average efficiency accord with ES&CEC08 ... ] [networking products adapter] [ Prortable Device or Machine][Input/Output Specifications]: [Input Voltage]:AC 100-240V,50/60Hz [Range Voltage]:AC 90 ... classic black switching power supply with 3v 5a,input 100~240v,output 24w,CE,CB,UL,FCC,ROHs