... ,Sharp,Hitachi 3 years warranty AC/DC adapter INPUT/OUTPUT SPECIFICATIONS:Input Voltage:AC 100V-240V,50/60HzRange Voltage:AC 90V-264V,47/63HzOutput ... Relative Humidity:5 ~ 95%RHStorage Temperature:-20 ~ 85 °CWithstanding Voltage:AC 3000V/Min (between Input & Output),10mA(Max.)Insulation Resistance:DC500V ... (L*W*H) Safety:UL/CUL,PSE,FCC,CCC, 3W ac/dc adapter Rohs/UL/PSE,folding plug usb charger