Over Voltage Power Saver for Commodore 64 Computer.
Protects your Commodore 64 from a faulty power supply. Connects between your Commodore 64 and power supply. When the voltage gets greater than ~5.7volts the power saver will kick in and cut off the power. Green LED means power is good. Red LED means power is bad. Good device that can save you hundreds on repair bills.
Comes with 3D printed white case.