Auto-switching voltage with overload and shortcircuit protection this regulated laptop power supply is compatible with most laptops on the market. The unit features a discrete LCD to show the operating voltage and a USB port for charging your phone or mp3 player. It's supplied with 11 different connectors, including the latest special Dell and HP connectors. Black piano finish for complete awesomeness. Suits most laptops up to 15 screen size. Specifications DC current rating : 4.74A DC Voltage : 15V, 16V, 19V Continuous Power : 90W Suitable For : Laptop Voltage Display : true Voltage Selection : Automatic via plug Number of plugs or sockets : 11pc Plugs to Suit : Hewlett PackardToshibaDellSonySamsung Includes USB Charge Port : true USB Port Current : 2.1A Length : 126mm Width : 55mm Height : 31mm Mains Voltage Range : 100V, 240V Rated for AU Mains : true Rated for US Mains : true Auto-select mains voltage : false Mains lead included : true Packaged Volume : 1.41l Packaged Weight : 0.61kg Packaged Length : 20.5cm Packaged Width : 13.5cm Packaged Height : 5.1cm