The EMF Meter Range for Ghost Hunting helps measure the electromagnetic fields to identify appliances that produce high-level emissions, allowing users to make informed decisions about limiting exposure. The detectors have been associated with locations, where unexplained phenomena have been reported like alleged haunting. The Ghost Hunting Detector operates on a single battery, and reports EMF measurements in five milliGauss ranges. Measure wide spectrum of EMFs from 50 Hz up to 20,000 Hz, and it can register a cell phone that is within 2 feet. Measure EMF level protect from potentially harmful long term overexposure to EMFs. Convenient push-on/push-off operation; Portable, easy to use, rugged, reliable, super responsive with easy to read LED light scale in dark and sunshine.