Feature Compact design with powerful performance, enabling quick measurement with a single press of the power button. Simple and responsive operation ensures accurate results. Equipped with a TFT high-definition color display, offering multiple alarm alerts, selectable units, real-time data monitoring, and support for eight languages. Features over-limit alarms to provide timely warnings for enhanced safety. Ultra-wide detection range suitable for various applications. Specifications Geiger counter tube: 90mm Measurement range: 0.01μSv/h to 9999μSv/h Operating temperature: -20°C to 50°C Battery capacity: 250mAh Charging method: USB Type-C Product dimensions: 100 x 40 x 25mm Body material: ABS Screen size: 0.96-inch TFT color screen Package includes 1 x Detector 1 x User manual 1 x Charging cable