The EM100 by measures electromagnetic interference (EMI) in a single-phase AC power line on wiring found in most buildings. With its bright OLED screen and amplitude demodulated sound feature it's the perfect tool to quickly and accurately determine the EMI on the electrical system in your home or office. Just plug the unit in (there are no knobs or switches to worry about) and read the display! Made in the USA, Inc.

• Package Dimensions: 6.9 x 5.5 x 1.8 inches
• Imported from USA.
• Provides an easy to read, accurate reading of line noise up to 2V peak-to-peak
• 1-Year Limited Manufacturer Warranty