Are you a ghost buster? One of the most frequently used devices in a ghost hunt is an EMF detector.This device detect fluctuations in magnetic, electric and radio/microwave energy levels. Find out how far electromagnetic fields extend in your room, house, office, etc. Some Professional Ghost Busters have speculated that anomalous readings in those energy fields are a sign of a ghost being present who bluff their way to the bank.Construct and show how you can be a ghost buster instead.