SMS Plug-In Smart Fan Speed Controller
This SMSCOM Smart Controller 6.5A MK2 can either be used as a standalone fan speed regulator, or when coupled with the NTC sensor, it becomes a reactive controller and automatically adjusts the fan speed to get a set, desired temperature.
It is electronically controlled and can provide an easy, accurate method of regulating the temperature within a grow space.
When used with the NTC sensor, it continually monitors and adjusts the fan speed to keep the desired temperature.
NTC Sensor sold separately, or buy both at the same time for a reduced price.