Light wave is barbecue, and light wave can also sterilize. The most important function is barbecue. The previous microwave oven had a barbecue button, but now the new one is gone and replaced by light waves. To bake a cake, you can use light wave combination keys, roast chicken or barbecue. For details, you can look at the instructions, which containers can be used under the action of light waves and plastic ones can't be used.