Bresser | BRESSER Thermo-hygro sensor | Expand Your Horizon
BRESSER Thermo-hygrometer with 3 outdoor sensors
Bresser Wireless Weather Station Thermo/Hygro Sensor 5 Channel 433 MHz Frequency for Temperature and Humidity Detection, White & TFA Dostmann Protective Cover for Transmitter Items, Easy to Assemble, White : Amazon.de: Garden