Features 1、Exquisite Workmanship: The scale uses electroplating process, the scale is clear, and the measurement reading is more accurate. 2、Easily Use: One key conversion between metric and inch, free measurement, convenient and quick, no need for cumbersome conversion. 3、Material: Made of stainless steel, the ruler body is anti falling, anti vibration, anti corrosion, wear resisting, durable. 4、High Accuracy: ±0.02mm/0.001(&lt;100mm) / ±0.03mm/0.001(&gt; 100‑200mm), compact and portable, easy to carry out. 5、Features: Measuring range is 0~150mm/0~6in, resolution is 0.01mm/0.0005sec, measuring speed is 1.5m/sec, 60in/sec. Specification Item Type: Digital Caliper Material: Stainless Steel Battery: LR44 1 x 1.5V (Not Included) Purpose: For Object Thickness, Width, and Height Measurement Display: LED Measuring Range: 0~150mm/0~6in Resolution: 0.01 mm/0.0005sec Accuracy: ±0.02mm/0.001sec(<100mm) / ±0.03mm/0.001(> 100-200mm) Measuring Speed: 1.5m/sec, 60in/sec Measurement System: Linear Capacitance Measurement System Package List 1 x Digital Caliper 1 x Storage Box 1 x User Manual