The TX35-IT transmitter is compatible with the following stations WD 450, WD 1080, WD 1120, WD 1202, WD 1800, WD 2101, WD 2102, WD 2900, WD 4000, WD 4001, WD 4002, WD 4003, WD 4025, WD 4026, WD 4930, WD 6000, WD6003, WD 6005, WD 9530, WD 9535, WD 9550 Your station does not receive an outside temperature despite changing the battery according to instructions and/or reset? Then your outdoor transmitter may have a defect But no problem, now you can replace the outdoor transmitter without necessarily having to invest in a new station. (Please note that the sensor is compatible with the stations) Made in China Find out about a compatible station before you buy Notes Remove all batteries (including from the station), wait a moment and then start inserting the batteries into the outdoor transmitter