Features: Switchable between millimeters and inches for a variety of precise measurements. Measuring Range from 0 ~ 12.7 mm , High Resolution up to 0.01 mm (0.0005"). Perfect for using in mechanical, industrial processes and laboratory. Made of high quality ABS, aluminum alloy & iron, durable, sturdy & long time service. Compact and sturdy structure, quickly display measured values on large LCD screen. Package Includes: 1x Digital Dial Indicator Specifications: Material: ABS+Aluminum Alloy+Iron Length: approx 12.3cm/4.3in Measuring range: 0-12.7mm Resolution: 0.01mm Working temperature: 0-40 Storage & transportation temperature: -20~70 Relative humidity: equal or less than 80% Note: 1. The movement speed of indicator measuring rod shall not be greater than 0.5m /s. 2. The indicator is a precision measuring tool, which should be prevented 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 touch the output end, so as not to damage the electronic circuit. 5, indicating any part of the table can not apply voltage, do not use a pen- to write, so as not to damage the electronic circuit. 6. Remove the battery when not in use for a long time. note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.