RADTriage 50 Personal Radiation Detector for Wallet or Pocket, Nuclear Radiation Detector, Electromagnetic Field Radiation Detector, Anti Radiation Dosimeter Radiation, Ready-to-Go Portable Nuclear Radiation Detector Monitoring Instrument, Radiation detection: Beta, Gamma and X-Ray. Fits in wallet or badge holder. 
Digital Nuclear Radiation Detector Monitor Meter Personal dosimeters Marble Detector Nuclear Radiation Meter Beta Gamma X ray Data Marble Tester ore Gamma Rays Uranium Monitor. Instant detection of radiation from sources such as nuclear reactors, nuclear weapons fallout and dirty bombs 
Made in the U.S.A | U.S. Military-grade and field tested and approved by U.S Dept of Homeland Security 
Shelf-life may be extended up to 10 years by storing in the freezer. Once removed it will have a usable life of at least two years. 
No batteries or calibration needed | Impervious to an EMP Bomb (electromagnetic pulse)