Features High-strength Carbon Fiber Composite Material: Made of and lightweight carbon fiber composite material, ensuring easy portability and long-term use. Magnetic Object Measurement: Safely measures magnetic objects without causing any damage, providing versatile functionality for a variety of measurement needs. Versatile Application: Suitable for use in schools, carpentry, farms, or homes, catering to a wide range of professional and personal measurement requirements. Clear and Accurate Display: The clear display ensures accurate and convenient readings, enhancing precision in measurements. Two Styles Available: Offers the flexibility to choose from two different styles, catering to individual preferences and needs. Features: 1、High-strength carbon fiber composite material, light weight and easy to carry 2、Can be used to measure magnetic objects without damage during measurement 3、Can be used in schools, carpentry, farms or homes 4、The display provides clear readings which is accurate and convenient 5、Available in two styles for choice Specification: Item Type: Electronic Caliper Material: Carbon Size: 150mm/300mm(optional) Function: Measurement Accuracy: 0.1mm Measuring Range: 0-150mm, 0-300mm Operating Temperature: 27-40℃ Battery: 1 X CR2032 Button Battery (Not Included) Power Button Metric/Imperial Conversion Keys Clear Key Package List: 1 x Electronic Caliper Package List 1 x Electronic Caliper