Features 1、Accurate Measurement: The 2.8inch screen automatically displays the test results. Fast response time and high accuracy, wide measurement range and long service life. 2、Smart Alarm: The radiation dose detected exceeds the alarm threshold,the radiation monitor will automatically alarm. Cumulative dose and dose rate display. 3、Save Data: Automatically save data, automatically save accumulated dose, built in memory, power off can be saved for a long time. 4、Multi Function: With mute, alarm, particle sound selection buttons, test, average reset and retest selection buttons, the backlight can be turned on or off. The button operating is simple and convenient. 5、Widely Used: Radiation detector can be used in material inspection, environmental testing, radiation protection, radiopharmaceutical screening, etc. Item Type: Nuclear Radiation Detector Product Material: ABS Weight: Approx. 133g / 4.7oz Battery Information: 3 x AA (Shipped Without Battery) Detectable Types: Beta, Gamma, X Ray Sensitivity: 80cpm μsv (Co-60) Test Accuracy: 0.01μsv/h Real Time Range: 0-99.99μsv/h Accumulation: 0-99.999msv Real Time Error: ≤10% Average Error: ≤3% Package List 1 x Radiation Detector 1 x Instruction Manual