Annic Digital Mini Instant-read Temperature (Celsius) & Humidity Gauge Thermometer (Hygrometer) - Most Popular Applications for Cars, Incubators and Brooders Clear and intuitive digital display of temperature (Celsius) and hygrometer values. Perfect for use in incubators, brooders, cigar rooms and any other places that requires monitoring of temperature and humidity levels Measuring temperature range: -58F-158F( -50-70); Temperature accuracy: 2F; Resolution: 0.2F (0.1C); Temperature display resolution: 0.2F (0.1C) Humidity: Range:10%~99%RH; Humidity accuracy :5%RH; Humidity display resolution: 1%RH. Its small and designed to be inserted into a rectangular opening where one wishes to monitor humidity and temperature, such as an incubator.