Specification Brand : Generic BulletPoint1 : With sound alarm function, it will alarm when the radiation is over threshold, the threshold can be set, and also support turn off alarm. BulletPoint2 : Equipped with curve refresh function, just press the "L" and "R" buttons at the same time to c-lear the "Total value detected" . BulletPoint3 : Easy operation, microcomputer automatic controls, convenient to use. BulletPoint4 : With detection sensitivity, especially for environmental radioactivity monitoring to detect traces of nuclear radiation. BulletPoint5 : You can quickly determine the radiation situation surrounding environment, to quickly locate the exact location of radiation sources. Color : One Color ItemName : NC03 Geiger Counter Rechargeable Nuclear Radiation Detector Laboratory Radioactive X-ray Γ-ray Β-ray Tester Digital Dosimeter ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : industrial-and-scientific-geiger-counters Manufacturer : Lifyn2 Material : abs ModelName : FPUZZCAQZ ModelNumber : FPUZZCAQZ NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : FPUZZCAQZ ProductDescription : 1)Three Warning Modes:Real-time digital display, Analog bar display, Vibration prompt 2)Geiger Tech Tube Professional Measurement: ①Industrial nuclear radiation ②medical nuclear radiation ③radioactive waste ④β y X-ray detection 3)Average/Maximum 4)Backlight display 5)Low battery reminder 6)Bell alert 7)Vibration reminder 8)Automatic shut-down 9)2000mAh Lithium Battery:Built-in large-capacity lithium battery, long battery life,using Type-C fast charging 10)Radiation Sensing Area: Energy range:48keV-105 Mevs3±30% Sensitivity:80 CPM/uSv