Many people are probably confused when choosing a single-function microwave oven, but recently, comparing various models revealed some interesting differences. There are quite a few options from manufacturers like Sharp, Toshiba, and Panasonic. From single-person to family-sized models, the interior capacity and power output vary greatly. I realized that high-performance, easy-to-operate single-function microwave ovens are actually quite limited. Whether it's a flat type that's easy to clean, a turntable model, or one with sensors, the usability changes quite a bit. Especially, the uniformity of heating performance is important, and it's interesting that some models have uneven heating even for the same bento box. It seems that a combination of high power output of 1,000W and infrared sensors is strong, and whether the model is Hertz-free and compatible nationwide is also subtly important. The simplicity of a single-function microwave can be a weapon, and the accuracy of automatic modes can surprisingly vary. Its compact size and space-saving design are attractive, and choosing based on design is also a good idea. Ultimately, which one is the best depends on how you use it, but I think the key to avoiding mistakes is to choose a model that can heat reliably whether manually or automatically.