Check the listing for details. Titan Atlas 4 - 2 Room CO2 COntroller ETL Listed. Condition: New. Listed at 599.95 USD. Titan Controls® Atlas 4 - 2 Room CO2 ControllerThe Atlas 4 controls and monitors CO2 in (2)two areas from 400 to 5000 parts per million (PPM). It comes with two (2) remote room sensors and 25 foot cables (included), and has integrated 24 hour data logging feature built-in. Special operating mode to run two rooms with only one CO2 generator! Easy to operate and fun to use, the Atlas 4 goes the distance!Controls and monitors CO2 in (2)two rooms from 400 to 5000 parts per million (PPM). Two (2) remote room sensors with 25 foot cables (included). Integrated 24 hour data logging feature built-in.Special operating mode to run two rooms with only one CO2 generator.ETL listed for use in commercial applications.10 Amps/120 Volts/60 Hz.3 year warranty.