The natural environment in which we live has a certain amount of radiation, real time data will fluctuate within a certain range, and the daily use of nuclear radiation detector helps to avoid radiation hazards in daily life.Features High sensitivity, wide measuring range, has a long service life.Using of sophisticated G M tube as the core sensor.Can be applied to material inspection, environmental test, radiology protection, radiopharmaceutical screening, etc.Compact and portable, the operation interface is simple and clear, easy to use.Specifications Material ABSColor White, Black (Optional)Detectable species Beta, Gamma, X raySensor type G M tubeEnergy range 50kev 5mev less than 30%Relative intrinsic error less than plus or minus 10%Sensitivity 80cpm / SV / Co 60The maximum dose equivalent rate 99.99sv/hVoice source real particle sound / alarm sound / muteAlarm threshold 0.5 (Not Adjustable)The use of ambient temperature 25 ~+45Relative humidity less than 95%Power supply 2 * AA battery (not included) or USB cable (not included)Item size 135 * 70 * 38mm / 3 * 8 * 5inItem weight 145g / 1ouncePackage size 150 * 80 * 50mm / 9 * 1 * 0inPackage weight 160g / 6ouncePackage list 1 * Nuclear Radiation Detector1*English manual