Features: 1, the input voltage :100-240 V 50-60Hz; 2, output: DC12V-24V; 3, the maximum power of 70 W; 4, adjustable voltage : 12 V, 15V, 16V, 18V, 19V, 20V, 24V .with 8 pcs exchangable output plugs to suit to various notebooks . 5,with short-circuit protection; overload protection.power supply by mains supply. 6, switching power supply design of small size (115 * 60 * 37) and light weight and high security advantages; 7, apply to SONY, IBM, DELL.TOSHIBA, ACER, COMPAQ, FUJITU, NEC, HP, LITEON, LS, ASUS brand, all LCD monitor and other electronic devices