ETL-listed for commercial and hobby applications, the Blueprint Controllers® Digital Atmosphere Controller BAC-2 offers precision control of CO2, cooling, heating, and humidity devices. Integrated fuzzy logic technology maximizes CO2 efficiency by fine-tuning ppm levels on-the-fly when using compressed CO2. A highly accurate remote sensor with built-in photocell facilities separate day and night settings. The BAC-2 stores maximum and minimum readings for future viewing, a digital display with lithium battery backup maintains settings in case of power loss, and an integrated circuit breaker ensures safe operation. Includes hardware for wall or tent mounting. Three-year warranty; this unit features four NEMA 5-15 receptacles with a total maximum load of 14.5 amps.