ALSUP DT-9501 Geiger Counter Radiation Detector Dosimeter Ambient α, β, γ, χ-ray Beta Gamma Radiation Detector with LCD Display Multifunction Radiation Scanner with Fault Self-Check Function

Description

ALSUP DT-9501 Geiger Counter Radiation Detector Dosimeter Ambient α, β, γ, χ-ray Beta Gamma Radiation Detector with LCD Display Multifunction Radiation Scanner with Fault Self-Check Function