Using LCD HD-compatible display and large screen, this radiation detector is easy to read data. This radiation detector features high sensitivity and wide range detection, which can bring you fast and accurate detection with tiny error. It is constructed of plastic material. Supporting X-rays, Be-ta and gamma detection, this radiation detector is multifunctional. The length of this product is 13.5cm, the width is 7cm and the height is 2.4cm. This radiation detector is suitable for home and industry detection. Item Name: Radiation Detector Material: Plastic Power Supply: 2 x AA Batteries (Not Included) Radiation Detection: X-rays, Be-ta, Gamma Normal Content Standard: within 0.5uSv/h Dose Equivalent Rate: 0.01-100uSv/h Alarm Threshold: Dose Rate: Optional within 100.0uSv/h, in 0.05pSv/h Increments Operating Environment: -10 Degrees Celsius to + 45 Degrees Celsius Relative Humidity: Less Than 95%(+ 45 Degrees Celsius ) Features: Sensitive, Large Screen, Handheld Size Details: L: 13.5cm/5.31", W: 7cm/2.76", H: 2.4cm/0.94"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Radiation Detector