Users are allowed to control and monitor temperature of food on stovetops and in the oven by remote thermometer . These measuring instruments sense temperature with some device or sensor deployed on the particular equipment providing heat during cooking process and can be seen remotely through a wireless device. There are some other types of remote thermometers that monitor temperature indoor and outdoor. The best application of such instrument would be remote sensing and monitoring of temperature deployed at a cold storage. Cold storages need to maintain a typical range of temperature inside for preservation of food materials stocked and for some other preserving activities such as drying, dehumidifying and freezing. There are remote thermometers that allow temperature monitoring through wireless devices so that users can adjust the temperature settings in cold storages without being physically present near the control panel of the cold storage. Liquid filled gauge is tradi