Geiger Counter Nuclear Radiation Detector, Portable Handheld Beta Gamma X,?,? Rays Tester Radiation Dose Alarm Detector for Home Outdoor Industry Laboratories(Black)

Specification: Item Type: Nuclear Radiation Detector Detection Technology: G M detection technology. Detection Type: Beta, Gamma, and X ray. Display Mode: LCD backlight. Energy Range: 20keV~3.0mev?±30%(137Cs-). Sensitivity: 80cpm, uSv, (Co-60). Test Accuracy: 0.01 ?Sv/h Real Time Range: 0-99.99 ?Sv/h Accumulation Range: 0-99.999 mSv Response 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 Detector 1 x User Manual Note: When entering a strong radiation environment, take safety precautions.