Professional Digital Paint and Coating Thickness Gauge Nicety CM8801-FN Digital Paint and Coating Thickness Measurement on Iron, Steel and Aluminum Mesurement Range 0 - 50.0 mil, 0 - 1250 micrometer (micron) Large, easy to read LCD display, can be fliped to be readable in any position carrying case, calibration films and steel / aluminum chip included New 2016 model, runs on 1 AAA alkaline battery, battery is included