Nuclear Radiation Detector Quick Response Professional Dosimeter Geiger Counter with Temperature Humidity Detection White Item Type: Radiation Detector Product Mode: XR1 Pro Material: ABS Detection Technology: G M detection technology Test Type: β, γ,  X ray Display Mode: LCD, backlight Energy Range: 20kev to 3.2mev less than or equal to ± 30% (137Cs -) Sensitivity: 80cpm/ μ Sv/(Co 60) Test Accuracy: 0.01 μ Sv/h Real Time Range: 0 to 99.99 μ Sv/h Cumulative Range: 0 to 99.999 mSv/h Real Time Error: Less than or equal to 10% Mean Value Rrror: Less than or equal to 3% Power Supply Mode: 3 x 1.5V AAA dry batteries (shipped without batteries) Battery Duration: Greater than or equal to 4 hours Product Size: Approx. 105 x 70 x 30mm / 4.13 x 2.76 x 1.18in Wide Application: The detector can detect electromagnetic radiation and nuclear radiation. It can meet the needs of family life detection, substation detection, mobile iron tower detection, etc. It can also be applied to material detection, environmental detection, radiation protection, radioactive screening, etc.