The dual power supply provides 0-20V DC at 2A. The system comes with a bright LED displays, switchable between voltage and current. Built-in overload protection, overload indicator LED and circuit breakers. Easy to control large crank knobs. Rugged metal case. The dual power supply has two independant power supplies in one box and is ideal for the dual maglev or other similar products. Durable product made in the USA. 110 / 220 V AC with USA plug. Requires plug adapter outside of USA.