Feature 1High sensitivity, wide measuring range, has a long service life. 2Can be applied to material inspection, environmental test, radiology protection, radiopharmaceutical screening, etc. 3Compact and portable, the operation interface is simple and clear, easy to use. 4The daily use of nuclear radiation detector helps to avoid radiation hazards in daily life. 5This Geiger counter radiation detector almost instantly detects Beta, Gamma, and Xrays to provide you with the most accurate knowledge at fast speeds. 6Using of sophisticated G-M tube as the core sensor.Condition: 100% Brand NewItem Type: Nuclear Radiation DetectorMaterial: ABSColor: White, Black(Optional)Size: Approx.135x70x40mm / 5.3x2.8x1.6in Weight: Approx.163g/5.7ozDetectable Types: , , X-raySensor Type: G-M tubeEnergy Range: 20kev~3.0mevs 30%(137Cs-)Relative Intrinsic Error: 10%Sensitivity: 80cpm / SV / Co-60The Maximum Dose Equivalent Rate: 99.99V/hAmbient Temperature: -25 ~+45Relative Humidity: 95%+45Power Supply: 2 x AA battery (not included) or USB cable (not included)Voice Source: Real particle sound / alarm sound / muteAlarm Threshold: 0.5/1.0/2.0/5.0Power Consumption: 0.15W . Package List1 x Nuclear Radiation Detector1 x Instruction ManualNote1. Please allow 12cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3. Please note that the new type and old type of this product will be sent randomly,and make sure you will not mind before ordering.