RadioShack Sound Level Meter Black Takes 9V Battery Pre-owned estate item with light signs of wear but overall nice well kept condition. Measures Approx. :6 1/2" high x 2 1/2" wide Works with 1 9 volt Battery. 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: RadioShack Sold as pictured. Thanks for looking!