To avoid having to search for this app again later I suggest you bookmark this page. This Android application is used to monitor the temperature of a room like a server room, Hydroponics lab, greenhouse or outside in a crop field. Anywhere you need to monitor temperature. The app will dial a number or sound an alarm if the temperature reaches user specified levels. It can be used as a frost alarm alert system. Or as an overheat alarm. The length of time it will dial can be set to a specified a