This set includes a National flip clock and a Nissyo BT-202 travel voltage converter from the same period. The internal mechanical structure of the page-turning clock is stable, and the digital flipping is clear. The side knob is used to adjust time and timing. The power socket at the rear can complete the on-off switching after the set time is reached, taking into account the timing and power control functions. The wire is a virgin rubber wire from the same period, which will show a natural yellowing texture over time. Need to be connected to 100v voltage. The matching Nissyo BT-202 is an overseas travel buck converter, belonging to the My-Pet series. The original blister packaging and instruction paper are intact. It is suitable for 220V-240V input and is used to convert European voltage to this Japanese appliance. The movement structure is intact, the flaps switch smoothly, and the outer shell has minor scratches and signs of aging. The transformer packaging has slight creases and aging.