Measurement Accuracy Range: The temperature measurement range of Temperature Humidity Sensor is ‑10℃‑60℃, the temperature accuracy is ±1℃, the humidity accuracy is ±5%, and the humidity measurement range is 0%‑99%. Automatic Sensing: WiFi temperature humidity sensor can automatically sense the humidity of the surrounding environment according to the humidity set by the mobile phone to start the humidifier. Save Space: Smart WiFi temperature humidity sensor is compact and small, so it can save space when placed on the desktop. View Information: Temperature humidity sensor can use mobile APP to view real time temperature and humidity information anytime, anywhere. Voice Control: WiFi thermometer hygrometer has voice control function, which can be controlled by voice at any time.