Features 0 - 7V, 5A / 0 - 20 V, 1.5A / 0 - 20V, 1.5A Six meters. Meter 1: full scale 0-10V. Output voltage is 0-7V. Meter 2: full scale 0-5A. Current is 0-5A. Meter 3: full scale 0-20V. Output voltage 0-20V. Meter 4: full scale 0-1.5A. Current is 0-1.5A. Meter 5: full scale 0-20V. Output voltage 0-20V. Meter 6: full scale 0-1.5A. Current is 0-1.5A. Each pair of voltage and current meters above has the following controls: Voltage inner/outer knob. Outer knob for crude adjustment. Inner knob for fine adjustment. Current knob. Three output terminals: +, -, ground On/off switch and on/off light