Geiger Counter Nuclear Radiation Detector POCKET KNIVES 4 paddles flip up when

4 paddles flip up when hit -- hitting center paddle resets the other 4

Originally chambered in 7

Works with Matrix

Double-action only

Geiger Counter Nuclear Radiation Detector POCKET KNIVES 4 paddles flip up whenAbout this item Nuclear Radiation DetectorFNIRSI GC 01 Geiger counter nuclear radiation detector with built in GM sensor, fast response time and high accuracy, able to detect Gamma, Beta and X rays. Cumulative dose equivalent: 0. 00uSv 500. 0mSv. Energy range: 48KeV 1. 5MeV 30%for 137Cs) Smart AlarmEnter the alarm setting option to set the current dose alarm value and the accumulated dose alarm value. Whether the detector screen is in sleep state or