SMSCOM Twin Controller - Original

SMSCOM Twin Controller runs both exhaust and inlet and cycles exhaust during night cycle to eliminate excess humidity in the grow environment .This is the best value for money controller on the market ,full intergated fan control in one simple unit .Preset the speed controls and the temperature and your done .Just make sure you put the probe at an appropriate height and make sure the photo eye is getting some light so the unit knows its night or day .