... light weight, low power consumption, using air pump to collect gas to analyze, etc. Product introduction ... As a portable CO2 determination meter, this product is also featured by small volume, light weight, low ... power consumption, using air pump to collect gas to analyze, etc. It is easy to use, AC/DC ... Power consumption: ≤650mW (when the pump is not work) ≤2.4W(when the pump is working) Dimensions: 208×190×80mm ...