The Saturn? 5 is a digitally based environmental controller featuring a short cycle timer for CO2 enrichment. It uses a 15 ft remote sensor to operate your temperature, humidity, CO2 system and night time gear. This controller gives you the ability to set day and night temperature levels. It has a LCD display and color coded push buttons for easy programming. This device also offers min/max data-logging capabilities for temperature and humidity. Enclosure protects internal components from dust, rust and moisture. 15 Amps maximum/120 Volts/60 Hz.