With this Geiger radioactivity detector, detect X-rays and GAMMA or BETA particles in your current environment.
At each detection of radioactivity, a sound is emitted. An acceleration of the beeps indicates the proximity of a radioactive source.

Technical characteristics:

• Detector: Geiger-Mueller tube-counter
  
• Dose rate / local equivalent dose rate: 0.1 to 9.999Sv / h
  
• Effective dose rate: 0.001 to 9.999 mSv
  
• Energy range (gamma radiation): 0.05 to 3.0 MeV
  
• Energy range (beta radiation): 0.5 to 3.0 MeV
  
• Response time <10 s
  
• Power supply: 2 x AA battery (included)
  
• Backlit LCD display
  
• Dimensions: 120 x 52 x 26 mm
  
• Mass: 200 g