The phone thermometer provides plenty of functions. Since it is a non-contact product, parents of young children generally use it to measure the temperature of their children. They don´t have to wake their sleeping children while doing so. The product can also be used to measure the temperature of the liquid; it can also be used to check the temperature of the environment. Since the product can effectively and accurately measure body temperature in less than 2 seconds, it can be used in case of emergencies.