iGS-061 CO2 Smart Controller with High-Temp shutoffThe iGS 061 is a standalone CO2 controller with high temperature shutoff that does not manage ventilation simultaneously with CO2 level enhancement (some CO2 may be vented outside while CO2 enrichment is going on). Many growers use iGS 061 in an air conditioned and sealed room. Easy to install and set up AC Adapter mandatory use on newer units CO2 controller with display and day night detection Controls your CO2 tank or gas burner during day only