Features:Reliable Radiation Detector: High sensitivity wide measuring range and long service life. Frequent use of nuclear radiation detectors helps to avoid radiation hazards from the environment in daily life.Practical: Can detect ionization radiation from x -ray leftover radiation from a nuclear blast or contamination areas over granite and non-ionizing radiation from cellphone computer router microoven vegetable fruit meat fish.Easy Operation: Easy to use compact and portable the operation interface is simple and clear. You don't need mach professional knowledge.Over Safety Value Alarm: When the testing result exceeds (Electric field > 40 V/M and Magnetic field> 0.4T or 4mG) it will trigger the sound & light alarm of the EMF tester. And long pressing the middle button can turn on/off the sound alarm.After-sales Service: If you receive a defective product or have any problems during use please feel free to contact us We will contact you as soon as possible.Notice:Actual color may be slightly different from the image due to different display and light effect.Please allow 1-3cm deviation due to manual measurement.Specifications:Detection Technology: G-M detection technologyDetection Type: y and X-rayDisplay Mode: LCD screen + backlightEnergy Range: 20kev-3.2mev