specialized in the R&D and manufacture power supplies with 10 years experience clients:Yamaha,Sharp,Hitachi 2 ... 100V-240V,50/60HzRange Voltage:AC 90V-130V,47/63HzOutput Power:3-5WOutput Voltage:3V-12VOutput Current:0.25A-1AOver Current ... ) SAFETY:UL/CUL, PSE-MARK,CCC 3w 5V 0.5a mini usb power adapter ,folding plug charger