HighlightsPrecise Detection - The radon detector has a semiconductor sensor to reflect radon levels accurately. Measures from 3.3 Bq/m³ to 37,000 Bq/m³ (0.09 to 1000 pCi/L). The first results in 6 hours, updates hourly. Supports 24h, 48h, 72h, and 96h periodsEasy Operation - A vibrant LCD screen displays real-time data. At the same time, the color bar shifts with radon levels for instant feedback. No Internet or APP needed. Turn the radon detector on and start monitoring with zero setup fussDual