Roof and Wall Moisture Scanner Deep Reading Signal up to 4 in in Roofing Insulation Moisture Content 0-100 On A Relative Scale Display Analog Data Hold Yes No Memory For Use With Exterior Insulation And Finishing Systems Non-Conductive Single Ply Modified And Foamed Roofing Systems Battery Type PP3 Alkaline Includes Battery Leather Carrying Case User Guide Manufacturers Warranty Length 1 year