This sensor pairs exclusively with the Grow1 Wireless Weather Station (part # 301005), displays the temperature and humidity readings, and has a range of up to 165 feet. A maximum of 3 sensors may be paired per station.
ATTENTION. There are now 2 versions of weather stations. Grow1 and GROW1. Notice the "W" in the second version. NOTE: Grow1 sensors DO NOT WORK with GROW1 weather stations.