 Each pan is embedded with a RFID tag in the handle of cookware, which is covered by a special pan tag that protects the RFID tag from heat and moisture.A temperature sensor connected to the RFID tag is imbedded within a tunnel in the bottom center of the pan.The RFID tag monitors the food 16 times per second and transmits a proprietary signal to the |induction heater regarding the heating characteristics of the contents as well as the temperature of the contents to adjust the heat accordingly; the special pan tag is not battery powered and does not need to be recharged.