1、Accurate Measurement: The screen automatically displays the test results. Fast response time and high accuracy, wide measurement range and long service life. 2、Clear Data: The geiger counter is easy to use and can be detected after power on without calibration. The data is clear and intuitive, and the elderly can use it easily. 3、Smart Alarm: The radiation dose detected exceeds the alarm threshold,the radiation monitor will automatically alarm. 4、Easy To Use: Radiation detector is small and portable. Easy 1 handed operation. The button operation is simple and convenient. 5、Wide Application: Widely applied in the environment where existing ionize radiation. Such as home improvement radiation, geological survey, iron, Inspection vehicles, nuclear power plants, industry, radiology, radiology laboratories and so on. Item Type: Nuclear Radiation Detector Product Material: ABS Weight: Approx. 192g / 6.8oz Battery Information: 3 x AAA (Shipped With Battery) Battery Capacity: 1500mAh Measuring Range: 0.1μSv/ h-10msv /h Product Size: Approx. 11.5x6cm / 4.5x2.4in 1 x Nuclear Radiation Detector 1 x English Manual 1 x Screwdriver 1 x USB Data Cable