Here， you can find quality Tool， we offer you carefully selected to ensure that your needs. Please don’t miss the best chance. It worth you choice!This is a great tape measure at an unbelievable price.                                    Features            New and high quality<br>Large LCD displaying<br>Wide measuring range !#!amp!*! high resolution. The use of durable<br>The last value/min . value will be automatically stored in memory and can be displayed by turn anytime<br>The RPM of motors and machine parts.<br>The housing has been carefully shaped to fit comfortably in either hand.<br>Digital display gives exact RPM with on guessing or errors. It is a great tool to measure<br>In wood and metal working it can be used to accurately measure the speed of a lathe<br>                                                            Specifications            Display    Large 5 digit， 18mm LCD.    <br>Test select    Automatic.    <br>Range    2.5 to 99，999 RPM    <br>Resolution    0.1 RPM (from 2.5 to 999.9 RPM) 1 RPM (over 1，000 RPM)    <br>Accuracy    +/-( 0.05% +1 digit)    <br>Distance    50 to 500mm/ 2 to 20 inch.    <br>Memory    Last Value. Max Value. Min RPM    <br>Size    130 x 70 x 29mm    <br>Weight    160g    <br>                                                            Package Includes            1 x Digital Laser Photo Tachometer Non Contact RPM Tach1 x English Manual1 x Battery 9V (NOT Included)1 x carrying bag3 x approx. 20cm of reflective stripes