1、2 UNIT SYSTEM: This digital dial indicator can be switched between inch and metric, with a high resolution of 0.01mm (0.0005in), and a measurement range of 0 to 30mm (0 to 2in), suitable for various applications. 2、CARBIDE PROBE: This digital dial test gauge adopts carbide probe, with M5 thread, has excellent wear resistance and embroidery resistance, can be removed and replaced with other sizes. 3、HIGH ACCURACY: This electronic digital dial indicator can be used to precisely measure small linear distances, with no reading errors, highly reliable. 4、CLEAR DISPLAY: This dial gauge adopts 3V voltage drive and digital screen, could clearly and intuitively display measurement results 5、INDUSTRIAL GRADE: Stable and long lasting, this dial indicator is ideal for use in machinery, industrial processes and laboratories. 1 x Digital Dial Indicator1 x Battery1 x Plastic Box Item Type: Digital Dial IndicatorMaterial: Aluminum alloyBattery Type: Lithium manganese battery(Included)Battery Model: CR2032 x 1Battery Capacity: 220mAhResolution: 0.01mm/ 0.0005inMeasurement Range: 0-30mm/0- 1.2inPower Supply: 3V button lithium battery (CR2032)Working Temperature: 0℃ to +40℃Storage and Transportation Temperature: -20℃ to 70℃Working Humidity: ≤80%