#trifield

Dirty Electricity Meter by Trifield - Model EM100 - EMI Power Line Noise Analyzer - Know Your Electricity Home, Office, Shop - Made in USA by Alphalab, Inc.

Electric Field, Radio Frequency Field, Magnetic Field Strength Meter by Trifield EMF Meter Model TF2 Detect 3 Types of Electromagnetic Radiation with 1 Device Made in USA by AlphaLab, Inc.