Digital Laser Tachometer w89719

Use to accurately measure the RPM without touching the object, displays it on a LCD screen.
    Measures the rotational speed with a visible red LED beam.
    High intensity class II laser measures from 2.5 - 99,999 RPM.
    Non-contact design, includes 24-inches of reflective tape to aid measurements.
    Auto zero adjustment, stores last, minimum, and maximum readings.
    Includes a handy storage case, 9v battery and operating manual.