Mini CO2 Detector, Aiment 3-in-1 Lightweight Portable Carbon Dioxide Detector Air Quality Monitor Temperature Humidity Air Analyzer Digital CO2 Meter for Home Indoor Travel for Anywhere You Can Use

El producto parece funcionar adecuadamente. No obstante, en un mes de cargar con el detector, la pantalla adquirió una zona donde los pixeles quedaron en blanco (incluso cuando está apagada). La pantalla no fue aplastada ni lastimada, incluso traía la protección plástica con la que se recibió.

My meter baselines around 428-436 ppm, which seems pretty accurate. If I move into a closed space or turn off the A/C in the car with other people in, it slowly climbs in a way that seems credible.The humidity seems close but a bit off (shows a little low), the temperature seems accurate.Battery life is a bit limited, I get about 6 hours off charger. However, I can easily charge it at my desk or in my car using a USB-C cable, so not a big deal.

I purchased this CO2 Detector in May 2023, in preparation for an upcoming trip in August (I had previously purchased a CO Detector for safety reasons as well). It's "my bad" that I did not give it a thorough test (more than charging it over 6 hours, then turning it on and allowing it to remain on for about an hour. I then turned it off until my August trip (which was after the 2 month grace period during which I could have returned it. It was during my trip, with continuous usage, that I discovered that it is defective. It kept chiming 5 beeps every 15-20 minutes. Initially, I thought that the hotel room in which I was staying was leaking CO2. That was found not to be the case. I checked it in the basement of my own home and got the same results a few weeks ago. When I used a different CO2 Detector (same model #), in my basement, there were no alarms. I bought a 3rd detector, checked it and received the same results. So, as a cautionary piece of advice, give this detector a thorough examination before the grace period expires.

I've only had this product for a short time so I can't say anything about the battery life. Also I don't have a way to determine if the co2 reading accurate. But I can say it it nice and compact and the monitor is easy to read.

Failed already. Only used a few times and will no longer charge. Completely dead. Useless. Also, couldn’t turn off alarm so kids couldn’t take to school. Would intermittently alarm for no reason.