DescriptionReport Item Handheld design for easy use :The handheld design of this Geiger counter makes it easy to use and carry around, allowing you to detect nuclear radiation from anywhere. Dosimeter for accurate readings :With its dosimeter feature, this Geiger counter provides accurate readings of radiation levels, ensuring that you know exactly how much radiation you're being exposed to. LCD display for clear results :The LCD display on this Geiger counter provides clear and easy-to-read results, allowing you to quickly and easily understand the levels of radiation present. Tests for multiple types of radiation :This Geiger counter tests for multiple types of radiation, including X-rays, beta particles, and gamma rays, making it a versatile tool for detecting and measuring radiation.SpecificationMaterial: ABSColor: whiteDetectable types: Beta, Gamma, X-raySensor Type: GM tubeEnergy range: 50kev-1.5mev Less than 30%Relative inherent error: less than plus or minus 10%Sensitivity: 80cpm/SV/Co-60Maximum dose equivalent rate: 99.99sv/hSound source: Real particle sound/alarm sound/silenceAlarm threshold: 0.5 (non-adjustable)Operating ambient temperature: -25+45CRelative humidity: less than 95Power supply: 2 AA batteries (not included) or USB cable (not included)Commodity size: 135 * 70 * 38 mm / 5.3 * 2.8 * 1.5 inchesProduct weight: 145 grams / 5.1 ouncesPackage size: 150*80*50mm/5.9*3.1*2.0 inchesPackage weight: 160 grams / 5.6 ouncesPacking list1 * nuclear radiation detector1 * English manual