A microcontroller circuit corrects for individual species and temperature and averages up to 100 accumulated readings. Measures moisture content over the range of 6-40%. Specifications: Size: 7-1/2" x 3" x 1-3/4" Weight: 1 lb. 3 oz. Battery: 1- 9V alkaline Warranty: 1 year Instrument and case only. See below for package with electrode and pins. Delmhorst J-2000 - FREE SHIPPING IN THE USA!! J-2000$301.00 Delmhorst J-2000 Package - FREE FEDEX SHIPPING IN THE USA!!Includes instrument, case, 26-ES electrode and ten 496 pins. J-2000/PKG$438.50 Need more information? Please feel free to contact us at 1-800-592-6940 - Ask for Extension 547 or Internet Sales.