▼Evenly warm in every corner It uses a hot air fan, so it heats up quickly and the warmth spreads to every corner of the kotatsu. "Intermediate switch" The switch in the middle of the power cord allows you to turn the power on and off. ▼Temperature adjustment knob The temperature can be precisely adjusted to keep it at your desired warmth. ▼ Flat heater The heater is only about 4cm thick! A sleek, spacious, thin and flat structure. ▼Top plate fixing screw When not using the futon, you can secure the top plate with the screws underneath.