Color RED indicates the level is over acceptable values
Color GREEN indicates the level is within acceptable values
Every unit has a TAG that notifies its LOCATION and Unit No. Each unit is equiped with an external powersource adapter which also can be used for charging battery, power button and porgramming port which allows custom data collection recepie.
Each Unit has a FAN attached at bottom which allows air sample to be pushed in for measurement. Timing and speed of fan is programmable as well as interval between two samples.
