1. Thermometer Hygrometer with Wifi connected ,no distance limited, you can monitor the temperature and humidity at any time;
2. Thermometer T401, 20 days history data storage, data can be exported and shared with others;(more than 2 years data can check from mobile APP)
3. Support Tuya smart life app, quality is very stable.
4. bluetooth connection, wireless range max to 50 meters
