1-Mini digital hygrometer-thermometer allows you to easily know the environment temperature and humidity. Small, Durable and Portable enough for saving space and carrying around.2-Temperature measuring range: +32°F ~ +158°F; Humidity measuring range: 10%~99%RH (Fast response that measures every 10 seconds with 24 sensitive VENTS to provide updated and accurate readings).3-Fahrenheit (℉) display, this thermometer displays temperature in Fahrenheit(℉).4-Temperature measurement accuracy: +/-2℉; Humidity measurement accuracy: +/-5% RH (Normal range).5-WIDE USAGE: Applicable for home, office,schools, car, hotels, laboratories, garden, crawler box, aquaculture, instrument workshop, Greenhouse, Basement, Babyroom, Cellar, Closet and places equipped with air condition, etc. Product Description MIni & Durability Mini digital hygrometer / thermometer allows you to easily know the environment temperature and humidity. Great for monitoring family's living conditions and health. Small and light enough for saving space and carrying around. Package Included: 2 x Digital Thermometer&Hygrometer (Included LR44 button cell)2 x Double-sided tape Accurate humidity Measuring humidity range :10%-99%RHMeasuring humidity accuracy: +/-5%RH (Normal range )Fast response measures conditions every 10 seconds Accurate temperature Temperature: Fahrenheit (℉) displayMeasuring temperature range :-58℉-158℉Measurement temperature accuracy: +/-2℉ (Normal range ) Widely applicable Widely applicable for indoor/ outdoor. For home, office, car, schools, hotels, laboratories, kindergartens, aquaculture, instrument workshop, libraries, schools, factories, greenhouse, incubators, guitar case and places equipped with air condition, etc. Mini Size Size: 1.85in x 1.1in x 0.6in / 48mm x 28mm x 15mm Operating Voltage 1.5V, two button cell size LR44 batteries (included) Material Material: ABS plasticScreen: Always light LCD displayColor: Black