Air Vent SC20 Solar Controller

Run your US Sunlight Solar Fan into the evening, monitor temperature and humidity, and monitor fan operating status with the award winning Solar Controller. Using the Solar Controller with Dual Mode Technology will enable your US Sunlight Solar Powered Attic Fan or All Purpose Ventilator to run after sunset, or when there is no light available from the sun. When there's no sunlight available to power the fan and the Solar Controller has the optional house power connection enabled, the Solar Controller wi...