Portable LED Stroboscope with Trigger Activation

A quick trigger activates 21 super bright CREE high powered LED lamps|Quick and easy flash-control adjustment|Measure 30 to 120,000 flashes per minute (fpm) or 0.5 to 2000 Hz|Ergonomic large handle grip with trigger style activation|Backlit LCD display|Fast charge rechargeable battery|Accepts external signal to control flash rate|1 year warranty|Use these stroboscopes for predictive and preventative maintenance applications such as measuring the speed and frequency of motors, shafts, fans, and much more from a safe distance. Lightweight, portable stroboscopes feature 21 super bright LED lamps that provide superior service life compared to xenon-lit stroboscopes. Simply press the power trigger button to activate or deactivate the light arrays. Use the ?X? and ??? buttons to quickly multiply or divide the flash rate by 2; fine tune flash rate in single-digit increments using ?+? or ??? buttons. Ergonomically designed large handle grip minimizes user fatigue even during extended use. The external trigger mode allows the flash rate to be controlled by an external signal. The flash rate automatically increases or decreases depending on the received signal.