1. Input: 95V-265V 50-60 HZ 2. Out put: 15V-24V 90W 3. 9 DC tips avaiable, such as: a: 4.8*1.7*10.6mm for Compaq series etc b: 5.5*2.5*10.6mm for Compaq, dell, Gateway, HP, Toshiba etc. c: 5.5*2.5*10.9mm for IBM series etc. d: 5.5*2.1*10.6mm for IBM series etc e: 7.4*5.0*12.5mm for DELL series f: 6.5*3.0*10.6mm for Toshiba series etc. g: 6.0*4.4*10.8mm for Sony, Fujitsu, Panasonic etc. h: Dell special 3pins I: 1.75*3.75mm 4. Adopts microcomputer CMOS chip to control and switches voltage automatically. 5. LCD display voltage function; 6. Original material: import special parts of electronics PWM IC MOSFET SBD(Schottky Barrier Diode); 7. Housing: it is made of special fireproofing ABS plastic; 8. Advanced computer test with digital electricity load 9. 4 hours full load aging test, one year warranty.