Please feel free to buy our products, we have excellent after-sales service. 100% brand new and excellent quality. Features: 1. 100% and high quality 2. Flip display, Easy Reading? at any condition and angle 3. Auto power off function. 4. It can display four readings in the same time. 5. When the power is low, it will automatically remind you Specification: Condition: 100% Model: RZ260FN Range: 0 - 1250um; M, 0 - 50mil Resolution: 1um /0.1mils Accuracy: +/-(3%+2um) or +/-(3%+0.1mils) Power supply: 1* AAA 1.5V batteries (not included) Operation Temperature: 0~50℃(+32~120℉) Weight: Approx. 477g / 16.8oz Size: Approx. 100 * 52 * 29mm / 3.9 * 2.1 * 1.1in Package List: 1 * Coating Thickness Gauge 5 * Calibration Films 2 * Substrate Block(Fe &NFe each 1pcs) 1 * Black Box If you do not understand, please send us an email.