Features: 1.From 0 to 150mm: This digital caliper provides measurement in ranges from 0 to 150mm / 0 to 6in, easy operation and high accuracy. 2.Large LCD Display: This caliper measuring tool is designed with large LCD display that can clearly show you the measuring results. 3.Inch and Millimeter Conversion: This home vernier caliper supports inch and millimeter conversion, meeting your needs and providing great convenience. 4.Lock Function: This electronic digital caliper features locking function which allows you to lock the caliper at any position, convenient and practical. 5.Stainless Steel: This micrometer ruler is made of sturdy and durable stainless steel material. It comes with 2 batteries and a storage box for easy portability. specification:Item Type: Digital Caliper Material: Stainless Steel Battery Type: LR44 x 2 (Battery Included) Voltage: 1.5V Battery Capacity: 320mAh PackageList:1 x DigitalCaliper 2 x Battery 1 x User Manual 1 x Storage Box