With the wide application of irradiation equipment in the fields of core strength, X-ray equipment and medical radiation,The requirements for radiation protection are also of increasing concern. This portable nuclear radiation detector can quickly, Quickly detect hard beta rays, O rays and X rays, and quickly search for radioactive sources. If you need it, you can try it.Specification:Material: ABSSensor Type: Geiger CounterMeasuring range: 0.00-1000uSv/hMeasurement accuracy: ±15% +6/p.Energy Response Zone::0.1~1.25 MevBeta: 0.25~3.5 Mev.X: 0.03~3.0 MevMeasurement unit: uSv/h, mR/h.Cumulative time: 1-9999 minutes can be setOperating temperature: -30°C ~ 60°C.Working humidity: 5%-95%RH (non-condensing)Power: 1 AA battery (not included)Package size: 90*80*45mm / 3.5*3.1*1.8 inchesPackage weight: 150g / 5.3oz packagecontent:1 x Geiger Counter