QUMOX Automatic Non Contact Digital LCD Laser Photo Tachometer RPM Tester Speed Meter

High Accuracy & Wide Range: Measures rotational speed from 2.5 to 99,999 RPM with ±0.05% accuracy, offering both high resolution and precise results for professional applications. Non-Contact Laser Measurement: Utilizes a laser sensor for safe, non-contact RPM detection at distances from 50 to 500 mm (2 to 20 inches), ideal for hard-to-reach or moving parts. Large LCD Display: Features a clear 5-digit, 18mm LCD screen for easy reading of RPM values, including last, max, and min memory functions. Easy Operation: Simply apply a reflective strip to the target, aim the laser, and get instant, reliable RPM readings—no physical contact required. Versatile Applications: Suitable for measuring the speed of motors, machine parts, model cars, wheels, and lathes in both metal and woodwork environments.