I was looking at Radon sensors the other day. FWIU it isn't possible to detect radon with even a PM 2.5 sensor. I bought a 10-in-1 air quality sensor with USB-

I was looking at Radon sensors the other day. FWIU it isn't possible to detect radon with even a PM 2.5 sensor. I bought a 10-in-1 air quality sensor with USB-C, and it won't do USB-C PD. Batteries for when the power is out make sense. Which air quality sensor integrates the most sensors of all?