Function- Check data at any time and anywhere via smartphone,- Monitoring of temperature and humidity (indoor or outdoor)- Immediate alert when water is detected- Ideal for kitchen, bathroom, utility room and cellar- Adjustable alarm limits, push notifications in the event of alarm- Memory of up to 90 days- 868 MHz- Only for operation with the WeatherHub gateway (sold separately in sets, e.g. cat.-no. 31.4001.02)