The original K2 EMF meter is made in America with pride. This meter is a must have for paranormal investigations. It is known for its reliable results and is used on nearly all ghost hunting shows. Also known as the KII meter or K-II meter, the K2 is also a great for home inspections of EMF levels as well as finding erratic sudden EMF field spikes from unexplained possible spirit activity. It is super easy to use. Just push the button to turn it on. Look for increases in EMF levels with the colored led lights. Perfect for use in the dark. Extremely sturdy and portable. Fits in your hand and pocket. The K2 meter is rugged, it can take rough handling and be exposed to weather and keep working. It is a meter to count on. It is very responsive and accurate. The K2 meter is top quality made in U.S.A. It comes with a 9V Duracell Alkaline Battery installed and it lasts a long time. To change battery unscrew the 2 screws on the bottom plate. To do so simply use the FREE GhoSt Augustine Screwdriver that the K2 meter comes with. The kit has also a built in flash light so that you can do it in the dark. It has clip on the back so you can carry it with you attached to any belt or shirt or bag pocket. During an investigation in the dark, you can hold it under the K2 meter and use it as a flashlight as you use the K2 meter. Thanks to its flat shape, it is very convenient.