Temtop M10 Air Quality Monitor Indoor 𝗣𝗠𝟮.𝟱 𝗔𝗤𝗜 for Home Enthusiasts,Air Monitor with 𝗙𝗼𝗿𝗺𝗮𝗹𝗱𝗲𝗵𝘆𝗱𝗲 Detector for Basement…

Amazon.com Price: 69.99 (as of 01/12/2022 09:47 PST- Details)

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✅PM2.5 AQI TVOC HCHO messen✅ The most advanced indoor air pollution monitor measuring PM2.5, AQI, TVOC and HCHO with sensitive 4th generation temtop laser particle sensor and dart electrochemical sensor.
✅Calibration Available✅ The HCHO (formaldehyde) sensor supports calibration. To ensure the accuracy of the sensors, make sure they are placed in a ventilated environment (indoor or outdoor) for at least 6 hours before first use or after long-term storage.