Headwind HVC Smart Speed Controller with Thermal Probe

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This device regulates fan speed to maintain optimal temperature and humidity levels. It offers precise temperature and humidity control, along with differential air pressure adjust ment and Temperature and Humidity calibration. Capable of operating 4 EC fans simultaneously, it features multiple modes including Auto-Control, Manual, Day/Night, Min/Max Speed, Timer, Cycle, Alarm, and Circadian Modes. Powered by Headwind HVC EC fans, it does not require any additional power cord or adapter to operate. Show more