A. Two-in-one function: This mini digital thermometer and hygrometer has a built-in probe and can be used as an electronic thermometer and hygrometer for indoor temperature and humidity measurement. B. Wide measurement range: The temperature measurement range is from -58°F to 158°F, and the humidity measurement range is from 10% - 99%RH. C. High-precision display: The temperature measurement accuracy is around ±2°F, and the humidity measurement accuracy is around ±5%RH. D. Easy to install: This thermometer and hygrometer can help users understand the current temperature and humidity. The embedded opening size is 1.81x1.06 inches. If the size is not appropriate, it can also be fixed with double-sided tape. E. Wide application: This indoor thermometer and hygrometer is used in various places such as greenhouses, gardens, guitar cases, incubators, brooders, offices, cellars, refrigerators, wardrobes, etc., where temperature and humidity levels need to be monitored. F. Color: Black G. Material: ABS H. Dimensions: Approximately 48 x 28.5 x 15.6 mm I. Package contents: 6 digital thermometers J. Only the above package contents are included, and no other products are provided. K. Notes: Light reflection and different displays may cause the color of the items in the picture to differ slightly from the actual product. The allowable measurement error is around ±1 - 3 cm.