Coating Thickness Gage Advanced Electronic Base Material Non Metals Such As Concrete Wood And Composite Measuring Range 0.5 to 40 Accuracy +/-0.1 mil + 3 Percent Data Storage Yes Serial And Infrared USB Interface Recording Capacity 100 000 3 ft Cord Length NIST Calibration Certificate AAA Battery Type Includes 3 Batteries Couplant Instructions Nylon Carrying Case Plastic Shims Protective Rubber Holster Manufacturers Warranty Length 2 yr