1. Accurate measurement range: temperature range: -20°C ~ + 60°C(-4°F ~ + 140°F), temperature accuracy: ±1.0°C, temperature resolution: 0.1°C. Humidity measurement range: 10%RH to 99%RH, humidity measurement accuracy: ±5%RH, humidity resolution: 1%RH Readings are updated every 10 seconds to provide you with the latest, more accurate temperature and humidity values. 2. Air comfort indicator: The indoor hygrometer displays the indoor humidity condition with three symbols. A smiling face is suitable for comfort, a neutral face is suitable for drying, and a sad face is suitable for moisturizing. Make indoor humidity and temperature clearer. 3. Easy to read and use: The edge of the LCD screen is clean, the numbers are clearly visible, no reflection, so it is easy to read from any Angle. CR2032 battery (including) low energy consumption, long service life, no need to frequently replace the battery. 4. [Multiple installation methods] Indoor thermometers have a variety of installation methods: vertical installation and mount. Using a stand and double-sided tape, you can paste or place an indoor thermometer anywhere you like, such as refrigerator, counter, living room, baby room, kitchen, basement, office, greenhouse, guitar room, office, garden and basement 5. For a healthy indoor climate: Temperature and humidity monitoring helps you measure indoor humidity and temperature, adjust the humidifier, dehumidifier Settings and humidifier device, can prevent cold, dry skin, asthma, mold and other adverse symptoms, improve the living conditions of the family Product Description Thermometer Material ABS Color Black, white Size: 50*35*13mm