This model is universal hone laptop adapter 120w. It is an universal switching-mode power supply, main power for laptop, a USB port, charge mobile equipment. Such as mobile telephone. PDA. MP4. MP3etc. EWAD13065 operation at input AC 100V to 230V 47-63Hz, Output DC 7 voltages: 15V/16V/18V/19V/20V/22V/24V, output current 6.0Amp max 120 Watt max, with protection functions: Overload protection, Short Circuit Protection, power supply by mains supply. With 8 tips connecter to suit to almost laptops, Select output voltage to suit to laptop and make sure the polarity of tips connect correct before usePower Source: Mains supplyUse your outlets to plug in at home or office or in the hotel. Select a tip for your laptop, then adjust voltage to suit to your laptop (laptop voltage marked on the brand of laptop)