Air Quality Monitor Indoor, Detector Portable CO2 Battery Operated Carbon Dioxide 5 in 1 HCHO TVOC Temp Humi Meter for Home, Grow Tent, Wine Cellar, Car

Why does it say you can had your phone to it whn you can't been trying to pair with it and nothing

This is an excellent device. Clear display easy to understand. °F and °C. Toggles Works very well when battery is fully charged or plugged into a USB portAs the battery wanes nearing expiry, the CO2 levels seems to lose accuracy.Threshold for warning is 1500 ppm, easy to exceed in a kitchen.

Great way to keep an eye on the air quality in specific rooms

I am not sure the product gives accurate readings. I will be comparing the readings with another product in the coming days. The charge on the battery only lasts about 8 hours and if you leave the charger connected the readings increase dramatically.

It seams accurate to me

This item was broken when I received it. I could barely read the display as I think the back light was broken and the figures seemed way off (said my room temperature was 25 degrees when two other thermometers said 20).

The media could not be loaded. The market is unfortunately flooded with fake CO2 meters, and this device is one of them. It shows CO2 readings between 440 and 460 ppm (fresh air), while a reliable device displays between 700 and 800 ppm.Additionally, placing a bottle of nail polish remover next to this meter causes the CO2 reading to skyrocket, indicating that it doesn't truly measure CO2 but is influenced by other factors.The temperature and humidity sensors seem reasonably accurate, but if that's all you need, there are far cheaper alternatives available.For a visual comparison, see the video with the 5 in 1 device on the left. If you require accurate CO2 measurements, avoid this product and always choose a device that uses an NDIR sensor.

Only works for a few minutes, does give readings, which is why I’ve kept it. Very disappointing

misurazione precisa, tanti parametri, bella grafica, sempre illuminato che non sempre è confortevole e scarica la batteria in 24 h altrimenti lo si deve tenere alimentato sempre