The Smart Wireless Geiger-Müller (GM) sensor provides a practical and engaging way for students to learn about nuclear physics, radiation, and safety. Measure alpha, beta and gamma radiation in a variety of experiments such as intensity-distance and radioactive sources.0 to 500 counts per sec,0 to 5,000 counts per 10 sec,0 to 10,000 counts per minOpen Counts 0 to 65,535 open countPulse Counts 0 to 100% pulse output