Organic Gardener

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: €¢ Harvest-Master Climate Controller. €¢ Sensors for temperature and humidity. €¢ Three relay switches so you can 'plug and run' lights, fans, air-conditioner or...