BASIC PRODUCT PARAMETERS: Thickness Gauges Measurement Range: 0-12.7mm / 0.5". Power: LR44/SR44 1.55V button battery(not included) EXQUISITE DESIGN:Thickness gauge is designed with a large digital LCD display for convenient reading of data. Supports reset function at any position, metric and imperial system switch, manual power on/off and automatic power off. HIGH QUALITY MATERIALS:The thickness gauge body is made from high quality engineering plastics, light weight and durable SPECIAL MEASUREMENT:Mainly used for the measurement of the outer diameter of tubular materials, rod materials and material thicknesses, especially suitable for measuring situations which require especially insulation and magnetic or scratch prevention. WIDE RANGE OF APPLICATIONS:Can be used to measure thickness of paper, PU leather, metal sheet, jewelry, battery, and magnetic materials, etc, Manufacturer: FTVOGUE