Feature 1It adopts imported sensor processor with high sensitivity, high accuracy and quick response speed 2Using LCD display, the working status of the nuclear radiometer is clear on the display screen, and you can quickly and accurately read the data you need 3Real time detection, rapid measurement, real time update of accumulated dose, simple and intuitive 4There are three alarm modes: sound, light and vibration, which can better remind you and give you a better experience 5Handheld portable design, easy to carry and store, you can test anywhereMaterial: ABSModel:NR 850Detection rays: X, Y and hard beta raysDose equivalent rate: 0.01~1000Sv/h (maximum 10mSv/h)Cumulative dose equivalent: 0.01Sv~500.0mSvEnergy response: 48KeV~1.5MeV30% (for 137CS-)Relative inherent error:NR-85010%(137CS1mSv/h)Language: English, ChineseSensitivity: 80CPM/uSv (for Co-60)Alarm threshold:Dose rate: can be arbitrarily selected among 0.5, 1.0, 1.5, 2.0, 2.5, 5.0, 10.0, 50.0, 100.0Sv/hCumulative dose: can be selected at 0.05, 0.5, 1.0, 2.0, 5.0, 10.0, 20.0, 50.0, 100.0mSvPower supply: 2xAA batteries (not included) .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Nuclear Radiation Detector1 x Manual