Double Unit Display Supports unit switching to meet different regional standards and reading preferences Provides flexible measurement option for users Professional Radon detections Specifically designed for indoor radon concentration with long term and short term average display Accurately reflects environmental radon levels for homes, offices, and basements High accuracy sensors Technology Features professional grades radon detections sensors with minimal error Efficient for industrial site, mines, and residential areas Over Limit Alarm systems Automatically driver hearable and visual alerts when radon levels exceeds thresholds Ensures timely ventilation or for safe living environments Comprehensive Data Tracking Displays both short term averages and long term trends while detections days Helps users monitor radon concentration changes effectively, Manufacturer: Hsyzygian