Multi-Voltage Regulated DC Power Supply This compact sized regulated power supply is ideal for all devices drawing up to 2 amperes. It is fully regulated to assure that a constant, accurate DC power is delivered to different kinds of electronics and electrical appliances. The rotary selector for choice of 6 voltages ( 3, 4.5, 6, 7.5, 9, 12 VDC), with any currents not more than 2000mA, e. g. portable TV sets, video games, tape recorderes, radios, scanners, boom boxes, etc. The red and black binding posts enable easy connection.