... supply with leakage protection functionAdjustable voltage-stabilized DC2V-DC24V, Adjustable voltage-stabilized low voltage AC2V-AC24V, High power ... student or teacher control consoleAdjustable voltage-stabilized DC2V-DC24V, Adjustable voltage-stabilized low voltage AC2V-AC24V, and AC220V ... DC voltage meter, DC current meter and micro-current meter, and can test DC voltage, DC current and micro-current ...