Features: Switchable between millimeters and inches for a variety of precise measurements. Measuring ranges from 0 ~ 12.7 mm , High Resolution up to 0.01 mm (0.0005"). Perfect for using in mechanical, industrial processes and laboratory. Produced of high quality ABS, aluminum & iron, , & long for time service. Small and structure, quickly display measure values on large LCD screen. Specifications: Material: ABS+Aluminum +Iron Length: approx 12.3cm/4.3in Measuring ranges: 0-12.7mm Resolution: 0.01mm Working temperature: 0-40℃ Storage & transportation temperature: -20~70℃ Relative Moisture : equal or less than 80% Note: 1. The movements speed of Indicator measuring rod shall not be greater than 0.5m /s. 2. The Indicator is a Precisions measuring tool, which should be prevents from hitting and falling to avoid loss of accuracy. 3, should keep clean, avoid water and other liquid substances into the Indicator table so as not to affect the normal use. 4, do not use the data output port, do not take off the output cover, do not use metal devices arbitrarily for touch the output end, so as not to damage the electronic circuit. 5, indicating any part of the table can not apply voltages , do not use pen- to write, so as not to damage the electronic circuit. 6. Remove the battery when not in use for long for time. Package Includes: 1xDigital Indicator note: Please allow 1-3cm error due to manual measurement. make sure you do not mind before you bid. Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.