Food safety monitoring devices, namely, wireless and smart thermometers, hygrometers and alarms; Electronic monitors to collect operational data and settings, including temperature data and settings, from HVAC equipment to ensure proper functioning; Electronic devices for animal locating and tracking programmed to use global positioning systems (GPS) and cellular communications; Electronic devices for locating and tracking RV Motorhomes, Trailers using temperature and humidity monitors; Electronic devices for locating and tracking server rooms, green house, freezer and cold rooms using temperature and humidity sensors; Electronic devices used to locate lost articles employing the global positioning system or cellular communication networks; Environmental monitoring system comprised of meters and sensors that measure pressure, humidity, temperature and includes alarm and reporting functions; Wireless remote temperature and humidity monitors for building maintenance