Test Gauss, from radiation, good for health. 1 x Electromagnetic Radiation Detector). 3X(Feature: 1. Special function 5-LED indicator light represents different radiation values. Application of 50/60Hz frequency monitoring, dark green 0 to 1.5 mgauss; green light 1.5 to 2.5 mgauss; yellow 2.5 to 10 mgauss; orange 10 to 20 mgauss; red 20 + mgauss.
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