Feature 1Geiger Tester: The nuclear radiation monitor responds quickly to radiation, and will alarm in time in high risk environments. 2Smart 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. 3Broad Utility: Widely used in nuclear power plants, accelerators, steel industry, chemical industry, isotope applications, etc. 4Clear Display: LCD backlight display enables a clear viewing on the data, which will largely simplify your operation as well. 5Easy Carrying: Comes with a light weight and a compact size, the simple storage and carrying ensures more convenience.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 .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 xNuclear Radiation Detector1 x User ManualNoteWhen entering a strong radiation environment, take safety precautions.