Airthings-Pro provides you a data logger that can transfer measured values to a smartphone or PC in order to be able to print graphs.
Airthings 2989 View Radon - Radon Monitor with Humidity & Temperature Detector - Battery Powered Mobile APP, WiFi, Alerts & Notifications: : Tools & Home Improvement
Airthings View Radon Battery-Operated Indoor Air Quality Monitor with Wi-Fi, for Radon, Humidity and Temp 2989 - The Home Depot
Simple, always on radon detector with short and long-term radon levels displayed on integrated LCD display. Corentium Home uses the same radon sensing
Airthings Corentium Home Digital Radon Detector 223 Portable, LCD Display, Lightweight, Easy-to-Use, USA Version
Airthings Wave Radon Battery Operated Smart Radon Detector 2951 - The Home Depot
System for the measurement of Radon - Maranata-Madrid SL - NIF B-85746204
Airthings, Smart indoor Radon & Air Quality Monitors
Airthings 223 Corentium Home Digital Radon Detector
Corentium Home by Airthings Battery Operated Digital Radon Detector
Airthings Corentium Home Radon Detector 223 Portable, Lightweight, Easy-to-Use, (3) AAA Battery Operated, USA Version, pCi/L: : Tools & Home Improvement