Features • Lightweight Carbon Fiber Construction: Enjoy effortl portability with a high-strength carbon fiber composite design, making this measuring tool easy to carry anywhere • Damage- Measurement on Magnetic Objects: Safely measure magnetic items without risk of damage, ensuring accuracy without compromising your materials • Versatile Use for Various Applications: Ideal for schools, carpentry, farms, and home projects, this ruler adapts to all your measuring needs for maximum convenience • Clear, Accurate Readings Every Time: The easy-to-read display provides measurements, enhancing your efficiency and confidence in every task • Two Stylish Options Available: Choose from two distinct styles to match your preferences, ensuring you have a measuring tool that fits your personal taste 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 LR44 Button Battery (Not Included) Power Button Metric/Imperial Conversion Keys Clear Key Package List: 1 x Electronic Caliper Package List 1 x Electronic Caliper