Ailavi AC 110V/220V to DC 5V 2A 10W Switching Mode Power Supply Board AC-DC Power Adapter Module 5V2A AC85~265V / DC100~370V wide voltage input. DC 5V 2A Ouput AC frequency: 50HZ / 60HZ Over current protection, Over voltage protection, Short circuit protection. Small size 6.25*3.1*2.2 cm