The Grimstone Technology Center is coming November 7th to the Old Mill Parafest in Dundee, MI. With it will be the anticipated release of the M-3 Pro; the first micro-magnetometer with OLED display for paranormal research. Stop at the Grimstone booth and see how this ultra powerful meter can help revolutionize your paranormal investigations. An introductory sale price will be available for those attending. Info on the Parafest at: http://oldmillparafest.whindo.com/