5-in-1 Infared Indoor Air Quality Monitor – CO₂, TVOC, HCHO, Temp & Humidity Sensor Clip / Wall Fan_16 Inch continues to work year after

continues to work year after year

Easy action spring for ease of use

Use entire season

60A Maximum

Durably constructed

5-in-1 Infared Indoor Air Quality Monitor – CO₂, TVOC, HCHO, Temp & Humidity Sensor Clip / Wall Fan_16 Inch continues to work year afterThis device offers accurate, real time monitoring of CO, TVOC (Total Volatile Organic Compounds), HCHO (Formaldehyde), humidity, and temperature all in one compact unit. Key Features: All in One Monitoring Simultaneously tracks CO, HCHO, TVOC, temperature, and humidity to give you a complete picture of your indoor air quality. Accurate & Reliable Features a high performance chip for fast, precise readings. Dual color display and voice alerts let you