K2 Electromagnetic field gauss meter EMF Ghost hunting detector Gauss meter tester field tester EMF Portable Gaussian meter with 5 LED diodes. The range of the electromagnetic field meter helps to measure the field to identify devices that generate high values, allowing users to make decisions about limiting exposure. Easy to read, multi-segment LED display, used for paranormal testing and general electromagnetic field detection. Hunting runs on one battery (9 V). Electromagnetic field levels are measured to prevent potentially harmful, prolonged overexposure to the electromagnetic field. Portable, easy to use, sturdy, reliable, super responsive. Specification: Material: Battery: 1x 9v (included) Application: 50/60 Hz frequency monitoring 5-LED indicators, representing different values: Dark green 0 1,5 milligaussa Green light 1,5 to 2,5 milligaus Yellow 2,5 to 10 milligaus up to 20 milligaus Red 20 miligauss Size Chart: Size: 14,3 x 2,9 x 5,3 cm / 5,63 x 1,14 x 2,09 inches The package includes: 1 piece electromagnetic field meter