Function- Check data at any time and anywhere via Smartphone- Control of temperature and humidity, outdoor or in different rooms (living-room and bedroom, cellar, storage room, conservatory or greenhouse, server room and other and air-conditioned rooms)- Adjustable alarm limits, push notification in the event of alarm- Memory of at least 90 days- 868 MHz- Only for operation with the WeatherHub gateway (sold separately in sets, e.g. cat.-no. 31.4001.02)