Check electrosmog emissions from your electrical wiring and appliances

Just turn it on, set it to magnetic or electric field detection, and begin! This Digital Combination Meter hasd the same features and configuration of the ELF-3030B, but has an extended frequency range from 5 Hertz to 100 Kilohertz, which includes the higher frequencies created by, for instance, energy-saving lamps, electronic dimmers, and switching-mode power supplies.:

It has an audio sounder which sounds like a Geiger counter, increasing in intensity as the field strength increases

Easy to operate, easy-to-read display

Comes complete with manual and standard 9-Volt battery