Product : Material: ABS Size: 4.5x4.5 (mm) Color: Black Resolution: 1% Temperature measurement range: -50 to 70 () Temperature measurement accuracy: 5% () Humidity measurement accuracy: 5% (RH) Humidity resolution: 10% 99% (RH) Package Content: 1*Round number with thermometer Comfort indicator: Displays different temperature and humidity levels at the same time, so you can keep an eye on the health and comfort of your home: humid, comfortable, dry at a glance. Accurate and fast response: The room air thermometer circulates the airflow through the vents and gives you fast and accurate data in time, so you can adjust the heater or humidifier base to take temperature and humidity measurements. Easy to read: The large, clear numbers on the office indoor hygrometer are easy to read on the LCD display. Low energy consumption: Thanks to the low energy consumption display, the room hygrometer will work for at least a year and a half; thanks to the combination of humidity display and air comfort display, you can read both the humidity and the room temperature. Fast update: The digital room thermometer updates every 10 seconds, so you are always up to date with the latest changes in temperature and humidity values.