Detect and monitor electromagnetic radiation with an EMF Meter, a portable and accurate ghost detection device. Designed for civilian use, this LED EMF detector detects magnetic fields from 0 to 20 milligauss, providing accurate readings for paranormal investigations. With its easy-to-use design and quick update, it is an essential tool for any paranormal investigator concerned with electromagnetic radiation. Stay informed and protected with this portable EMF detector. Carry an EMF meter with you when exploring haunted locations, inspecting properties, and purchasing new equipment to ensure you are aware of any potential sources of EMF. Suitable for both professionals and amateurs, it is ideal for those interested in ghost hunting, monitoring EMFs, and assessing the effects of electromagnetic radiation on the human body. Specifications: Material: Plastic. Detection Range: 0 to 20 millimeters. Gaussian Detection Frequency: 50/60 Hz (50 to 1000 Hz ELF) (1000 to 20,000 Hz VLF). Accuracy: 5 (typical) Battery 9V (not included). Dimensions: about 15 x 5.5 x 3 cm. Note: The data are all measured manually. Due to the difference in light and display, please allow an error of 1-3 cm. Please refer to the actual object received.