Features 1、Clear Display: The large screen digital display on the vernier caliper is clear and durable, and the large size LCD display shows clearly. 2、Stainless Steel: The vernier caliper ruler body is stainless steel, after high temperature quenching, not easy to deformation, more accurate measurement. 3、3 Measuring Methods: Users can switch metric, imperial or fractional measuring methods with one key, and automatically convert the measuring length. 4、Durable Scale: Vernier caliper adopts magnetic strip lamination scale process, which will not wear easily, beautiful and durable, high accuracy. 5、Spare Battery: Vernier caliper not only comes with its own battery, but also comes with a spare battery, which makes your measurement stable, reliable and easy. Specification Item Type: Electronic Vernier Caliper Material: Stainless steel Measuring Range: 0-150mm Measuring Accuracy: ±0.02mm Spare Battery: 1 x LR44 180mAh button cell (built in) Power Supply Battery: 1 x LR44 180mAh button cell (built in) Package List 1 x Electronic Vernier Caliper 1 x Button Cell 1 x Instruction 1 x Storage Box