Amazon has the X-Sense radon detector with Wi-Fir for $20 off, bringing it down to $79.99. It connects to Wi-Fi for app notifications and stores up to 999 days of radon history, letting you track long-term trends rather than a single reading. Buy Now at Amazon
Features
Connects to 2.4 GHz Wi-Fi for app-based monitoring and notifications Stores up to 999 days of continuous radon level history LCD screen displays current radon levels and trend arrows Exports PDF, XLSX, or CSV reports for record keeping Runs on 3 AA batteries with up to 2 years of battery life Measures 3.1″ x 3.2″ x 2.8″ and weighs 1.08 lb.
