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 Hz Size：6.1 x 2.6 x 1.5 inchesBatteries: 1x 9V batteries required The 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  Note：1. This product is intended to measure electric AC fields, and does not detect nuclear radiation.2. Please Operate following the instruction.  Package Includes:1 x KII EMF Magnetic Field Detector Ghost Hunting Paranormal Equipment
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