Fetanten Universal Outdoor Temperature and Hygrometer Sensor Weather Station Transmitter – Used Alone or as an Auxiliary…

Amazon.com Price: $12,99 (as of 28/11/2021 14:29 PST- Details) & FREE Shipping.

Make sure this fits by entering your model number.
Transmission frequency: 1 Hz. Transmission range: Open area up to 30 meters, barrier-free.
Note: Used alone or as an auxiliary or replacement sensor for the Weather Station RT001, and is for non-commercial use only.