Feature 1、Function: The temperature hygrometer can inform you to adjust your humidifier or dehumidifier (both not included) accordingly, ensuring that you always live in the most comfortable environment. 2、High Accuracy: Thermometer hygrometer can display humidity and temperature, with high measurement accuracy and small error, reliable to use. 3、Quick Refresh: The measurement interval is about 10 seconds, and the data of the digital indoor thermometer will be updated every 10 seconds. 4、Temperature Unit: Digital thermometer can also memorize the maximum and minimum measurement values of temperature and humidity, and can switch ℃/℉ display. 5、Touchscreen Gauge: Designed with touch screen, and the screen can be touched, making it more convenient for you to operate. Item Type: Indoor Thermometer Material: Plastic Color: White Measurement Interval: About 10 Seconds Measuring Range: Temperature: -10℃-50℃ (14℉-158℉); Humidity: 10%-99% RH Error: Temperature: ±1℃; Humidity: ±5% Accuracy: Temperature: 0.1℃; Humidity: 1% RH Power Supply: 2pcs AAA battery (not included) Weight: Approx. 120g/4.2oz Package List 1 x Temperature Humidity Meter1 x Manual