Features PORTABLE AND QUICK RESPONSE: Easy to carry, simple to use, durable and reliable with ABS technical material, quick response to test results FIVE DETECTION INDICATORS: Five levels of detection indicators, representing different EMF radiation values; instant response to fluctuations and peaks of electromagnetic fields SUPERNORMAL AND GENERAL DETECTION: For supernormal wave detection and general electromagnetic field detection, reliable, sturdy, possesses outstanding and super sensitive effect ELECTROMAGNETIC FIELD MEASUREMENT: The range of hunting equipment used for hunting helps measure electromagnetic fields to identify equipment that generates high radiation and allows users to decide to limit exposure EASY TO READ - Colorful LED lights make the obvious readings to notice in daylight or dark, easy to take with you all the time as they fit in your pocket or purse Specification: Item type: magnetic field detector Material: ABS Battery: 1 x 9V 6F22 (not included) Application: Used for supernormal wave research and general electromagnetic field detection Basic parameters: Detection range: 0~20+ milliGauss Detection frequency: 50/60 Hz (50 to 1000 Hz - ELF), (1000 to 20,000 Hz - VLF) Accuracy: 5% (typical) Package List: 1 x Magnetic Field Detector 1 x User Manual Package List 1 x Magnetic Field Detector 1 x User Manual