Electro Magnetic Field Finder From Eakes Research Tester Device + Carry Case Pre-owned estate item with light signs of wear but overall nice well kept condition. Is approx. 4" x 2 1/2". Requires 9v battery, not included. Please see our photos for the actual condition and everything that's included or not included. If you don't see an item that you believe should come with this listing, please assume that it's not included or email us and we'll be happy to double check for you. :) If you have any questions, please know that we're just an email away and happy to help. Brand: Eakes Research Sold as pictured. Thanks for looking!