Feature: Made of for extra strong carbon fiber composites, lightweight and durable Two modes switch between Inch/mm can satisfy your differnet needs 4 Way Measuring Tool for Internal, External, Depth, Step measurements Large LCD display for easy visible reading, high precision ZERO function can be set in any position, calibration function, Shut off automatically after 6 minutes without using Waterproof and dustproof level: IP54 It is highly recomended for home DIY using as well as professional using Specifications: Measuring Range: 0-150 mm / 0-6 inch Resolution: 0.1mm/0.01" Accuracy: 0.2mm/0.01" Display: LCD screen Maximum measuring speed: 1.5m/sec Measuring system: Non-contact linear CAP measuring system Shut off automatically: 6 minutes Power: One battery CR2032 3V Color: Silver+Black Material: Carbon Fiber+ABS Working Temperature:0~ 104(40) Working Humidity: 80% Storage Temp: -50~-140 Size: As the pictures shown Quantity: 1 Pc Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Includes: 1 x Digital Caliper (Battery Not Included)