HP AC Adapter 135W AC. Input voltage: 110-240 V, Input frequency: 50/60 Hz, Output power: 135 W. Colour of product: Black. Operating temperature range (T-T): 0 - 40 °C, Storage temperature range (T-T): -20 - 65 °C, Operating relative humidity range: 20 - 80 %. Hold time: 5 ms