• TRIFIELD Electric Field, Radio Frequency (RF) Field, Magnetic Field Strength Meter -EMF Meter Model TF2 - Detect 3 Types of Electromagnetic Radiation with 1 Device - Made in USA by AlphaLab, Inc. KWD 67.500
• Dirty Electricity Meter by Trifield - Model EM100 - EMI Power Line Noise Analyzer - Know Your Electricity @ Home, Office, Shop - Made in USA by Alphalab, Inc. KWD 61