The innovative ISS combines a rain collector, temperature/humidity sensors, and anemometer/direction vane into a single unit for optimum performance and durability. Mounting hardware included; mounting pole sold separately. The fully-integrated, corrosion-proof sensor suite is built to take all the weather your location can give. The ISS combines a rain collector, temperature/humidity sensors, and anemometer/direction vane into a single unit for optimum performance and durability. The smaller profile sensor suite is designed to minimize visual impact in your yard or on your roof.