Electronic power supply 12v.1500 mah 18w with adjustable selector 3,0v/4,5v/5,0v/6,0v/7,5v/9,0v/12,0v with 6 interchangeable plugs 3.50x1.35mm, 5x2.10mm, 5.50x2.50mm, 2.35x0.70mm, 4.00x1.70mm, 2.5mm mono jack - protected against circuit breaker, overload, overvoltage - input voltage 110-240vac 50-60hz