PRECISE RADIATION DETECTION: Monitors gamma rays from 20mR/h to 120mR/h and soft beta rays for accurate nuclear radiation detector readings in various environments; LONG LASTING PERFORMANCE: Features a tin oxide cathode halogen tube with over 1 billion pulse lifespan to serve as a reliable G-M tube radiation sensor for years; EASY INSTALLATION DESIGN: Fits standard Geiger counter tube sockets without tools, allowing quick replacement of your J305 unit for immediate safety monitoring; WIDE TEMP OPERATION: Functions reliably between -40C to 55C, making this nuclear radiation detector suitable for extreme industrial or outdoor testing conditions; PORTABLE PROTECTION: Includes a PVC pipe for safe transport of the G-M tube radiation component, ensuring your Geiger counter tube arrives ready for field use

What's in the box
1 x Geiger Counter Tube