and Portable: Compact design for easy carrying, enabling testing anytime, anywhere, and suitable for various occasions Real-time Monitoring: Continuously displays radon levels in real-time, allowing you to stay informed about your surroundings Precise Measurement: Utilizes a high-sensitivity sensor for accurate radon concentration detection, providing reliable data Easy to Use: Simple and intuitive user interface, allowing even non-professionals to use it easily, Manufacturer: Jnchdghwa