Feature:1. The tip design is suitable for deep hole and pipe wall measurement, very versatile2. Clear any position to facilitate the conversion between relative measurement and absolute measurement3. Digital display caliper, the size is more clear to read and the result is accurate4. The accuracy is up to 0.01mm, and measuring range is 100mm, very trustworthy and reliable5. Digital brake disc caliper can be used in the temperature of 27-40℃, practical and convenientSpecification:Item Type: Digital Brake Disc CaliperModel: 100mm brake pad digital caliperAccuracy: 0.01mmMeasuring Range: Approx. 100mm / 3.9inOperating Temperature: 27-40℃Battery: 1 x LR44 button battery(not include).Package List:1 x Digital Brake Disc CaliperNote:1. After installing the battery, be sure to set the (origin).2. When installing the battery, please pay attention to avoid damaging the battery terminals. 3. Please note that the new type and old type of this product will be sent randomly,and make sure you will not mind before ordering.