A microwave, freezer, oven, stove, Etc. Microwave safe, heat resistant, and could even go into your wood burning fire place. You simply hold the remote in your hand to read the Temperature safely at a distance and the tool itself Pokes into the food. You could program all of them to one remote and keep the remote magnatized on your refrigerator to tell you when all of your cooking is being prepared at the right time to coordinate cooking times on multiple food items and sounds an alarm...