Features: PM6208A is a contact-type digital tachometer with stable performance, high reliability and high safety performance. The core component of the meter is a compact high-speed integrated chip. The meter will display rotation speeds from 50RPM- -19999RPM. Adopt LCD backlit display, convenient to read data in the dark. Easy to operate and maintain, superior performance. Specification: Material: ABS Weight: 311g or 11oz Contact Measurement: 50-19999RPM (0.03 percent and2) Measuring Distance: N or A Auto Power Off: 30S Data Logging: 100 groups MAX or MIN or AVG Functions: Yes m or min m or sec ft or min ft or Sec in or min unit selection: Yes Data Hold: Yes Display Back light: Yes Low Battery indication: Yes Category: CE Power Supply: 4x1.5AAA Battery (NOT Included) Product Size: 19.3x11.2x6.3cm or 7.6x4.4x2.5inch Package List: 1x Contact tachometer 1x Black bag 5x Contact roller .wang-edit-text{ font-family:'Arial' important } .wang-edit-text table { border-top: 1px solid 000 border-left: 1px solid 000 } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid 000 border-right: 1px solid 000 padding: 3px 5px } .wang-edit-text table th { text-align: center }Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. 1PM6208A is a contact-type digital tachometer with stable performance, high reliability and high safety performance. 2The core component of the meter is a compact high-speed integrated chip. 3The meter will display rotation speeds from 50RPM- -19999RPM. 4Adopt LCD backlit display, convenient to read data in the dark. 5Easy to operate and maintain, superior performance.