Geiger Counter Radioactivity Dosimeter Radiation Counter, BR-6 Type Geiger Counter Beta Gamma X-ray Tester, Portable Radiation Detector X-ray Recognition

Product Specifications: Sensor Type: Energy Compensated GM Tube. Detectable Type: Y-ray and X-ray. Energy Response: 48 keV Relative Error: <5% (at 1 mSv/h). Measuring Dose Range: 0.00 μSv/h~ 10 mSv/h. Measuring Range Case: 00.00 μSv~ 10Sv Sensitivity 1.5 cps/μSv/h (vs.137Cs) Operating Temperature: -10 to +50 degrees Celsius. Power Supply: 2500 mAh lithium battery. Power Supply: USB power supply. Charging Time: 4-5 hours.