Radiation tester module multi-function nuclear radiation detector for environmental detection Feature:1. Easy Assembly: Nuclear Radiation Detection Module Mounting Kit, Comes with USB Cable, Ready for Testing After Assembly (Battery Not Included).2. Ray Detection: Can be used to detect 20mR/h120mR/h gamma rays and 100-1800 off variable rays, which have high accuracy.3. Multiple functions: can be connected to MCU for data display, computer (computer) data acquisition, Matlab analysis and processing.4. Geiger tubes: support most geiger tubes, such as M4011, STS 5, SBM20, J305 etc., no restriction on replacement, have good compatibility.5. Applicable scenes: for interior decoration environment detection, gemstone radioactivity detection, cosmetic radiation residue detection, etc. Specification: Item type: nuclear radiation detector Material: PCB, ABS Applications: interior decoration environment detection, iodine implantation safety distance detection, radiation protection detection, machine controlling airport security, foreign purchases for commodity residue detection, maternity and baby products radioactivity detection, jewelry, stone article radioactivity detection, cosmetic radiation residue detection, etc. All situations include the need for radioactivity detection. Battery: 1.5V AA x 3 (battery not included) Geiger Pipe parameters: Diameter: approx. 10 0.5mm / 0.4 0.02in Total length: approx. 90mm/3.5in Starting Voltage: 350V Recommended Operating Voltage: 380V Minimum Platform Length: 80V Maximum Platform Inclination: 10%/80V Package List: 1 x Host Detector 1 x 3.5mm Cable 1 x USB Cable 1 x Battery Box 1 x User Manual How to use: You can start the test after connecting the package Battery-powered