Item Type: Coating Thickness Gauge_x000D_ Material: ABS_x000D_ Power Supply: 3.7V lithium battery, 400mA, included. _x000D_ Display: LCD Screen_x000D_ Test Range: 0-1500m 12 Testing Modes: Comes with 2 measurement modes, the coating thickness gauge with digital display supports 0?1500m wide range for your different needs. 2Smart Detection: Trough electromagnetic induction and vortex induction, the thickness of the coating can be measured with high safety, very reliable. 3Higher Accuracy: For a single measurement, only the measurement data is updated once, and for continuous measurements, the data is continuously updated. 4Wide in Utility: Allows for wide application application for surface coating thickness of rubber, ceramics, enamel, paint, metal, car paint, and so on. 5Simple Carrying: Light in weight and compact in size as well, the digital coating thickness gauge is very convenient to carry for outdoor working. 1 x Thickness Gauge 1 x User Manual 1 x USB Cable 2 x Metal Calibration Piece 5 x Plastic Calibration Piece