Universal dc laptop power plug 9

Technical parameters: Input AC100v -240v 50/60HZ   Interface size: 6.0X3.0MM, 5.5X2.5MM, 5.0X3.0MM, 4.0X1.7MM, 3.5X1.5MM, 3.5X1.35MM Output: DC3v/4.5v/6v/7.5v/9v/12v up to 2.5A   Uses: Suitable for recording players, telephones, CDs, VCD machines, repeaters, walkie-talkies, computers, keyboards, game consoles, small TV sets, health care equipment, computer electronics and so on.     INPUT: AC 100/240V AC OUTPUT: DC 3, 4.5, 6, 7.5, 9, 12 V CURRENT: DC 3.0A Power: 30W 6 different plugs Click-on adjustable voltage conversion Universal adapter for use with all major brand equipment,etc Plug type:  Standard S.A use