The ghostbusters probably would have been happy with this gadget; it's about the ghost Hunter EMF Meter (ghost hunting), this rare device helps detect fluctuations and peaks in electromagnetic fields, with which you can see if there is any paranormal activity, even if it seems to be taken from a science fiction movie. Hunter EMF Meter It is real, and its price is 70 dollars, it comes with a detailed instruction manual, we can start to become a real ghost hunter.