... AC Adapter(90W)input:AC100-240V(worldwide use boltage without any conversasion), 47Hz-63Hzmaximum power output 90W4 standard different voltage output(DC15V,16V,19V,19.5V), and option for 12V ... protection & over current protecton & over voltage protectionsupport LCD display to show the output voltage Payment Terms:We accept Paypal,Visa, T/T ...