Meter Magnetic Field Detector Electromagnetic Radiation Tester With 5 LED
Light: Dark green 0 to 1.5 mGauss, green 1.5 to 2.5 mGauss, yellow 2.5 to 10 mGauss, orange 10 to 20 mGauss, red 20 + mGauss. Inspection Range: 0 to 20+ mGauss. If you are satisfied with our service, pls.