Airthereal Portable Radon Detector for Home ? 504-Day Data Storage for Long Term Monitoring, LCD Color Display, Fast 6H Results, Long Battery Life, Audible Visual Alarm - Upgraded 2025 Version Description Features: Accurate Radon Detection: Get your first radon reading in just 6 hours. Traditional detectors take 24 hours. Our advanced system delivers faster results without sacrificing accuracy. 2 Inch Color Display With Multiple Readings: The TFT screen displays 24H, 48H, 72H, and 96H values along with long-term averages and peak levels for easy tracking. 45-Day Battery Life: Powered by a 3.7V (7.4Wh) rechargeable battery, the device runs up to 45 days on standby and fully charges in 3.5 hours via USB-C. Long-Term Data Storage: Automatically records radon levels every 6 hours, storing up to 504 days of continuous data. Ideal for long-term trend analysis without relying on apps or cloud services. Alarm System: Customizable sound and light alerts notify you when radon levels exceed your set threshold. Alerts repeat every hour until safe levels return. Portable and Standards Compliant: Weighs just 123g with a sleek metal-textured finish. Meets EPA, WHO, and EURATOM standards. Supports both pCi/L and Bq/m3 units. Product Details: Brand: AIRTHEREAL Style: Portable Power Source: Battery Powered Color: Black Product Dimensions: 3.15"D x 3.15"W x 1.37"H Item Weight: 0.27 Pounds Alarm: Audible And Visual Operating Humidity: 20% To 80% Rh Compatible Devices: Basement, Home, Office Sensor Type: Radon Brand: ?AIRTHEREAL Style: ?Portable Power Source: ?Battery Powered Color: ?Black Product Dimensions: ?3.15"D x 3.15"W x 1.37"H Item Weight: ?0.27 Pounds Alarm: ?Audible And Visual Operating Humidity: ?20% To 80% Rh Compatible Devices: ?Basement, Home, Office Sensor Type: ?Radon Material: ?Electronic Components, Plastic Number of Items: ?1 Manufacturer: ?Airthereal UPC: ?816621029524 Item Weight: ?4.3 ounces Item model number: ?RM-65 Radon Detector Batteries: ?1 Nonstandard Battery batteries required. (included) Included Components: ?Radon Detector, Usb Cable, User Manual Batteries Included?: ?Yes Batteries Required?: ?Yes Battery Cell Type: ?Lithium Ion Date First Available: April 29, 2025 Handling We will ship all orders within 1 business days of payment. Delivery We do not ship outside of the Continental US. Feedback We take our reputation seriously, we buy and sell online, so we understand the value of trust. If you are unsatisfied with your order, please contact us and we will work with you to resolve it to your satisfaction.