Features: 1. High temperature and low temperature alarm: Once the temperature exceeds the set value, the phone will prompt an alarm 2. High humidity and low humidity alarm: Once the set humidity value is exceeded, the mobile phone will prompt an alarm 3. Temperature and humidity curve: record on the APP The temperature and humidity change and present it to you graphically. Let you know the latest data changes more intuitively 4. Multiple installation methods: it can be placed directly on the table or hung on the wall. No data lines, more convenient and more beautiful 5. LCD screen display: The sensor uses an LCD screen as a temperature and humidity display, and the time and date are displayed on the screen. Time and date are automatically calibrated. 6. Temperature unit switching: The sensor is designed with a display conversion function for Celsius and Fahrenheit. You can select the units to display according to your needs. The switching speed is related to the set data update frequency. You can choose the update frequency of one minute first, the temperature will switch to the new unit after one minute, and then switch the data update frequency to the time you need Note: Please allow 1-3 cm deviation due to manual measurement The actual color may vary Slight difference is different from the pictures due to different monitors and light effects Description: Material: PC + electronic components Power supply: 3 AAA batteries (batteries not included) Temperature accuracy: 0.3 Temperature measurement range: -10~55.Wi-Fi Support: 2.4G IEEE 802.11 b\g\n Humidity Measurement Range: 0%~99%RH Humidity Accuracy: 0.3% RHS Size: As shown in the picture Included: 1x Smart WiFi Thermometer