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Best Choice GQ 
Nuclear Radiation Detector GQ GMC-800 Geiger Counter USA Design Product US National Standard Large Color LCD Display 5 A 【Nuclear Radiation Detector】GQ GMC-800 is the latest and most updated model of GQ Electronics USA Geiger Counters. PortaGQ 
GQ GMC-300S Digital Nuclear Radiation Detector Monitor Meter Geiger Counter Radiation Dosimeter Real-Time Data Logging Every Second Into Internal Memory.Best Value FNIRSI 
FNIRSI Geiger Counter Nuclear Radiation Detector - Radiation Dosimeter with LCD Display, Portable Handheld Beta Gamma X- 【Nuclear Radiation Detector】FNIRSI GC-01 Geiger counter nuclear radiation detector with built-in GM sensor, able to deteintendvision 
Geiger Counter Nuclear Radiation Detector - Portable Radiation Dosimeter Tester Beta Gamma X-ray Radioactivity Detector 【Nuclear Radiation Detector】Portable, personal & group use. Detect ionizing nuclear radiation Beta, Garma, X-ray. Quick,GQ 
GQ GMC-320S Geiger Counter Radiation Detector Digital Nuclear Radiation Dosimeter with Automatic Data Recording and USB The GQ electronics LLC, USA, has designed the GQ gmc-320S digital Geiger counter to provide a higher level of sensitivitHieoAnir 
Multi Nuclear Radiation Detector, Geiger Counter Radiation Detector LCD Display Nuclear with Sound & Light Alarm, Portab High-Definition LCD Display: Easy-to-read backlit screen clearly shows all measurements, even in low-light conditions. VHieoAnir 
Geiger Counter, Geiger Counter Nuclear Radiation Detector 3-in-1 LCD Display with Sound & Light Alarm Portable Monitor f Portable: Lightweight design and battery operated make this detector ideal for indoor and outdoor use. 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