Airthings Wave Smart Radon Detector with Free app – Easy-to-Use – Temp and Humidity – Accurate – No Lab Fees – Battery Operated

$199.95 (as of April 20, 2019, 4:34 pm) & FREE Shipping. Details $190.64

Continuous monitoring of radon, temperature and humidity
Detailed data on your free app or Airthings Dashboard
Wave over device for color-coded indication – Good, Warning, Danger

Usually ships in 24 hours