Description Feature:1 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 2 The detectors have been associated with locations, where unexplained phenomena have been reported like alleged haunting The K2 Ghost Hunting Detector operates on a single battery, and reports EMF measurements in five milliGauss ranges 3 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 4 Measure EMF level protect from potentially harmful long term overexposure to EMFs 5 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 Specifications:Accuracy: +/- 5%,Detection Range: 0 to 20+ milliGauss,Detection Frequency: 30 - 20,000 HzEasy-to-read multi-segment LED displayAccuracy of 5% at 50-60 HzSize: 14 3 x 2 9 x 5 3cmBatteries: with 1x 9V batteriesThe Five Scales:The 1st Light detects a Normal EMF field, what is always around us The range is between 0 to 1 5 mGThe 2nd Light (GREEN) detects a Low Level EMF,which range is between 1 5 to 2 5 mG The 3rd Light (YELLOW) detects a Mid Level EMF in the range between 2 5 to 10 mG The 4th Light (ORANGE) detects a High Level EMF field in the range between 10 to 20 mGThe 5th Light (RED) detects an Extremely High EMF Range of 20+ mG includes:1 x EMF Magnetic Field Detector