Feature:1. Geiger Tester: The nuclear radiation monitor responds quickly to radiation, and will alarm in time in high risk environments.2. Smart Testing: Can accurately detect beta, gamma, and X rays, and the accuracy error can be controlled within 3%. Also, the detection value is updated in real time.3. Broad Utility: Widely used in nuclear power plants, accelerators, steel industry, chemical industry, isotope applications, etc.4. Clear Display: LCD backlight display enables a clear viewing on the data, which will largely simplify your operation as well.5. Easy Carrying: Comes with a light weight and a compact size, the simple storage and carrying ensures more convenience.Specification:Item Type: Nuclear Radiation DetectorDetection Technology: G M detection technology. Detection Type: Beta, Gamma, and X ray. Display Mode: LCD backlight. Energy Range: 20keV~3.0mev30%(137Cs-). Sensitivity: 80cpm, uSv, (Co-60). Test Accuracy: 0.01 Sv/hReal Time Range: 0-99.99 Sv/hAccumulation Range: 0-99.999 mSvResponse Time Error: 10%Average Error: 3%Power Supply Mode: 3 x 1.5V AA battery, delivery without battery. Battery Time: 4 hours.Package List:1 x Nuclear Radiation Detector1 x User ManualNote:When entering a strong radiation environment, take safety precautions.