A wireless thermometer is a device that measures temperature without the need for physical connections. It typically uses sensors to detect temperature changes and transmits the data wirelessly to a display unit or a smartphone app. This allows users to monitor temperatures from a distance, making it convenient for various applications, such as cooking, gardening, or monitoring indoor climates. These thermometers often utilize technologies like Bluetooth or Wi-Fi to send readings. Many models come with additional features, such as alerts for temperature changes, data logging, and compatibility with smart home systems. This makes them versatile tools for both personal and professional use.