Pro assembly upgrades the 5-in-1 Weather Sensor (sold separately)
Dual solar panels maximize sun exposure and allows internal aspirating fan to run more frequently
Improves ambient temperature measurement throughout all hours of the day
Easily installs onto any 5-in-1 Weather Sensor; IMPORTANT: PRO+ weather station models come with the upgrade already installed
This upgrade should be used on 5-in-1 sensors that come with only one solar panel