The Airthings Corentium Home Digital Radon Gas Detector is a portable and battery-operated gas detector with features such as a humidity sensor and indoor air quality monitoring. This digital radon detector from the brand Airthings is designed to provide daily, weekly, and long-term radon readings, making it an essential tool for ensuring a radon mitigation system is performing properly. Its LCD digital display shows both long and short-term readings, allowing users to monitor their homes for cancer-causing radon gas. With its compact size and lightweight design, this radon detector is powered by 3 standard AAA batteries and is suitable for monitoring radon levels in any home.