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Harvest-Master Climate Pro Controller
Controls night and day length, temperature and humidity control, plus control up to 8 devices (or 7 and a cycle timer), for a balanced climate. All models come as a complete kit. The kit includes: controller, sensors, remote relay switches. Sensors are high accuracy types, for temperature, humidity and CO2. 3 remote relay switches are included for lights and heaters to put on different electrical circuits. The “Pro†model is the same as the Climate model plus a CO2 sensor and a 4th relay switch.