Features Strong Durability: This hunting supernatural tester is small and portable, easy to operate, made of high -quality ABS engineering materials, is solid and durable, and can quickly respond to the test results. Five LED Indicator Lights: This magnetic field detector has five levels of detection indicators, which represents different EMF radiation values, and the response to EMF fluctuations and peaks is fast. Excellent Performance: This 5LED EMF instrument is used for super wave wave research and general EMF detection. It uses reliable and excellent effects and super sensitivity. Electromagnetic Field Measurement: The scope of hunting equipment for hunting helps measure electromagnetic fields to identify high -radiation equipment, and users can limit the exposure rate. Easy To Use: This magnetic field detector uses colorful LED lights. It is more convenient to observe the reading. It can be noticed during the day or darkness. It is easy to carry and easily place it in pockets or bags. Specification: Item Type: Magnetic Field Detector Material: ABS Battery: 1 x 9V 6F22(not include) Application: Used for supernormal wave research and general EMF detection Basic Parameters:  Detection Range: 0~20+ milliGauss Detection Frequency: 50/60Hz (50 to 1000Hz- 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