The ETL-listed Blueprint Controllers® Digital Atmosphere Controller, BDAC-1 offers full control of the indoor garden environment. The unit’s four receptacles control cooling, humidity, CO2-generating and night-only devices. The controller allows separate day and night set points for temperature and humidity, with a temperature control range of 40 to 99.9 degrees Fahrenheit, and a humidity control range of 35 to 99.9 percent relative humidity. Humidity and temperature deadbands are adjustable. The timed CO2 output has an on range of one second to 12 hours and an off range of one second to 96 hours. A remote sensor with photocell on a 15-foot cable accurately monitors temperature, humidity and light. The controller includes a three-year warranty.