Nuclear Radiation Detector Monitor Radioactive Radiation Tester Geiger Counter Tester Stone Gem Radiation Tester Individual Dosimeter

Features:
Made of fine quality material, practical, has a long service life, so you do not need to change it often.
Powered by USB interface, you can use any USB port output recharger to su-pply power.
It is widely used in any occasion that needs to test the intensity of radioactive radiation, and can detect the radiation intensity of beta gamma x-ray.
It can be used for radiation detection of gem, jade, marble, and so on, which has a wide application.
The layout of PCB board is reasonable so it is easy for you to use it.