Handheld Portable Geiger Counter Multifunctional Nuclear Radiation Detector Personals Dosimeter Marble Detectors Beta Gamma X-ray Tester

Features:
High sensitivity, wide measuring range, has a long service time, you do not need to change it often.
Using of sophisticated G-M tube as the core sensors, the detecting data will be more accurate.
Wide Applications: This tester can be applied to material inspection, environmental test, radiology protection, radiopharmaceutical screening, etc.
Compact and portable, you can put it into your pocket to carry easily.
The operation interface is simple and clear, easy to use, giving you a better experience.