small design operates plugs and play in living room, renovated space, schools, or temporary workstations without installation requirements Ideal for health awake family, new homeowners, parent nurseries, and professional maintaining air standards Features SEN+ calibration technology, temperature / compensation, and fast led refreshing within 5 seconds for stable air analysis in environment This easy carry air monitor delivers lab grade accuracy for comprehensive indoor environment assessments through its multiple sensors blend algorithm and not interferences engineering Advanced multiple detection with precisions monitors formaldehyde ( HCHO), TVOC levels through electrochemical+semiconductor sensors and immediate data logging, Manufacturer: ERRORY