✔Wide RPM (photo and contact) and Linear Surface Speed/Length (contact) measurements
✔Measures the rotational speed with a visible red light beam from a powerful LED, High intensity class II laser measures from 2.5 - 99,999 RPM, Contact Tach Range: 0.5 to 19,999 RPM, Surface Speed Range: 0.05 ~ 1999.9 M/min
✔Extra large 5-digit LCD display, high accuracy of +/- 0.05%
✔Auto zero adjustment, stores last, minimum, and maximum readings
✔Package includes: Laser tachometer, contact/linear speed mearurement module with four attachements and reflective tapes included