Carry these stroboscopes when performing facility maintenance checks. Shine its bright flashing light at a moving object to make it appear slow moving. This helps you evaluate belts, pulleys, and other parts for signs of wear without shutting down your machines. It has a female threaded bushing, so you can mount it to a tripod to hold it steady. This stroboscope comes with a calibration certificate traceable to NIST that states it has passed a test for accuracy.