Product key testing device

The utility model relates to the technical field of automation equipment, in particular to a product key testing device. Comprising a base, a start button, a first bottom plate, a second bottom plate, a power supply LED test module, a power supply button test module, an LED test module, a button test module and a product carrier module. The button testing module comprises a second air cylinder, a plurality of second polyurethane joints, a fifth fixing plate, a supporting plate, a second rotating block, a second up-down adjusting block and a second Y-axis adjusting plate, the second Y-axis adjusting plate is arranged above the second bottom plate, the second up-down adjusting block is in sliding connection with the second Y-axis adjusting plate, and the second rotating block is in rotating connection with the second up-down adjusting block; the two ends of the supporting plate are connected with the second rotating block and the fifth fixing plate respectively, each second polyurethane connector is connected w