Mini, durable, portable Indoor/outdoor humidity and temperature measurement. Contains 4 batteries High reliability and high accuracy. Fahrenheit (℉) or Celsius (℃) conversion (℃/℉). Humidity measurement range 10% to 99% RH, humidity measurement accuracy: +/- 5% RH. Temperature measurement range 0 ℃ to 70 ℃, temperature measurement accuracy: +/-1 ℃. Fast response, measuring every ten seconds via 24 sensitivity vents to provide the most recent and accurate readings. Product description: More than that! Embedded installation type! LCD digital display! Widely used in homes, offices, cars, schools, hotels, laboratories, nurseries, aquaculture, instrument workshops, libraries, schools, factories and air-conditioned places, etc. Specification Type: Digital Thermometer/Hygrometer Material: PVC plastic. Display: Always on LCD display. Mounting plate hole size: D42 mm. Humidity range: 10% to 99% RH (humidity measurement accuracy: +/- 5%) Measuring temperature range: 0℃ to 70℃. (Measuring