Features High-quality Material: The Geiger counter is made of high-quality ABS material, sturdy and durable to ensure long-term use. Easy to Read: Geiger counter can be digitally displayed and equipped with backlight for easy reading. Easy to Use: Geiger counter features time off, threshold alarm function, simple operation. Multifunctional: The Geiger counter has data display, saving and output functions. Meet the needs of various working scenarios. Multiple Display: The screen displays temperature and humidity conditions simultaneously, providing multiple information at once. Specification: Item Type: Geiger Counter Material: ABS Model: JD-3001 Battery type: 3.7V lithium battery (included) Battery capacity: 2600mAh Operating temperature: 0 ℃ ~ 50 ℃ Operating Humidity: Relative Humidity 10%RH ~ 80%RH Nuclear radiation: Response time: 3 seconds Dose response: Package List 1 x Detector 1 x USB Cable 1 x Manual 1 x Tool Box