Description : <br>  <br> DT2236C Digital Laser RPM Tachometer Contact Measurement Tool  Features :   Stylish， comfortable to use and easy to operate. Laser \/ contactless ID cards， meet the needs of measurement occasions. Wide measurement range， high resolution， fully functional. The max \/ min \/ final value record.  Specification :    Show : 5 LCD display， the subtitles length is 10mm Power : 4 x 5AA batteries Instrument Size : 215 (L) x 65(W)x38 (H) mm Annex : Retail box， reflective paper (9 centimeters x2)， tapered adapter， funnel-shaped adapter， wire-speed ferry. Test Distance : Approx.3cm - 2m  <br>               Functional         Range         Resolution         Uncertainty               Speed         2.5~999.9         0.1RPM         &amp;plusmn;(0.05%+1d)               1000~99999         1RPM               Speed Line         0.05~99.99         0.01M\/min               100.0 More         0.1M\/min      <br> Package includes :    1 x DT2236C Digital Laser RPM Tachometer  <br> Details pictures :