Temtop S1+ 4-in-1 PM2.5, AQI Detection, Indoor Air Quality Monitor, with App Connectivity for Home, Temperature & Humidity Sensor air quality measurement device HCHO(formaldehyde)

HCHO(formaldehyde)

When the battery is low

H when exceeding the upper value

a British Dart formaldehyde sensor and a Swiss Sensirion Temperature & Humidity sensor

sulphur dioxide and total reduced sulphur compounds

Temtop S1+ 4-in-1 PM2.5, AQI Detection, Indoor Air Quality Monitor, with App Connectivity for Home, Temperature & Humidity Sensor air quality measurement device HCHO(formaldehyde)Temtop S1+: Indoor Air Quality Monitor, 4 in 1 PM2. 5, AQI Detection, Smart Temperature & Humidity Sensor, with App Connectivity for Home Air Quality Testing & Analysis Enhanced Connectivity with BLE: The Temtop S1+ now features BLE app integration, allowing seamless monitoring and management of indoor air quality from your smartphone. This upgrade provides easy access to real time data and enhanced user control. Visual Air Quality Indicator: The S1+