Features 1、High Sensitivity Counting Tube Sensor: This nuclear radiation detector adopts high sensitivity imported counting tube sensor, which is accurate in detection. 2、Multiple Alarm Methods: This nuclear radiation detector has multiple alarm methods, including flashing light alarm and sound alarm, and the user can set the alarm value by himself. 3、HD LCD Large Screen Display: This nuclear radiation detector adopts HD LCD large screen, with clear display and easy reading. 4、5 International Measurement Units Switching: This nuclear radiation detector has 5 international measurement units switching, you can choose according to your needs. 5、Wide Application: This nuclear radiation detector can be used in nuclear power stations, laboratory environmental assessment, scrap metal, and other industrial environments, but also can be used for supervision, customs, pregnant women, and other personnel health testing. Specification Item Type: Nuclear Radiation Detector Model: MR 50 Material: ABS Power Supply: 1 x 6F22 9V Dry Battery 680mAh ( Built In Carrying ) Radiation Types: α, β, γ and X Ray Detector Type: Geiger Counting Tube (Diameter 1.75 Inch/45mm) Measurement Range: 0.001-100mR/h, 0.01-1000μSv/h/0-300000CPM, 0-5000CPS, 0-9999X Total Energy Range: 20KeV-3MeV Measurement Accuracy: ±15% Measuring Unit: μSv/h, mR/h, CPS, CPM, Total, HDLD, Alarm Value, Electricity Alarm Value Function: Alarm threshold can be set Alarm Mode: Audible and Visual Alarm, Self Set Alarm Value (Factory setting is 4μSv) Display: 60mm x 42mm Large Screen HD LCD Display 6 Digits Digital LCD ( Including a variety of ways and labeling symbols display ) CAL Coefficient: 0.01-9999 Range Operating Temperature: -50℃-+80 Sievert, Rem Display Conversion: Yes Bar Graph Display: Yes Save Maximum Value Display: Yes Response Time: ≤3 Seconds Sensitivity: CO(60): 3480CPM/mR/h Package List 1 x Nuclear Radiation Detector 1 x Storage Bag 1 x Manual