HiLetgo SGP41 TVOC eCO2 CO2 Carbon Dioxide Sensor Formaldehyde Air Quality Monitoring Sensor Indoor Air Quality Gas Sensor Module GY- SGP41 bestsellers_healthUK_Sep2023 slip the card into the

slip the card into the holder or apply your label onto the holder

you can stick them in various parts of your body

Alexa/Google voice control

CLINICALLY TESTED MEDICAL PRODUCT

HiLetgo SGP41 TVOC eCO2 CO2 Carbon Dioxide Sensor Formaldehyde Air Quality Monitoring Sensor Indoor Air Quality Gas Sensor Module GY- SGP41 bestsellers_healthUK_Sep2023 slip the card into theHiLetgo SGP41 TVOC eCO2 CO2 Carbon Dioxide Sensor Formaldehyde Air Quality Monitoring Sensor Indoor Air Quality Gas Sensor Module GY SGP41 Description: The SGP41 is Sensirions new VOC and NOx sensor designed as digital smart switch and regulation unit for air treatment devices such as air purifiers. The sensor signals processed by Sensirions powerful Gas Index Algorithm can be directly used to automatically trigger the removal of indoor air gas