1. High temperature and temperature alarm: Once set temperature is exceeded, the phone prompt an alarm 2. Voice control: Works with Smart Support inquiring the indoor temperature and humidity via voice commands through speaker. 3. Temperature Unit Switch: You can switch temperature unit between Celsius and Fahrenheit in the set, then the reset button once, temperature unit switch. 4. Intelligent linkage: The WiFi temperature and humidity sensor can be linked with smart devices in to improve the indoor heating and cooling, and make your home more comfortable. 5. Installation methods: can be placed directly the table or glued to the wall. Without a data cable, it's more convenient and beautiful 6. Temperature measurement range: -10-60 (℃) 7. Humidity measurement accuracy: ± 5% (RH) 8. Temperature measurement accuracy: ± 0.5 (℃) 9. Humidity measurement range: 0% RH-99% (RH) 10. APP: 11. Colour: White 12. Material: plastic 13. Size: 8x3.65x2.55cm 14. Package Contents: 15. 1 * Temperature And Humidity Sensor 16. 1 * English instruction manual 17. Only the above package content, other products are not included. 18. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.