1. 360° Rotatable Dial The 360° rotatable multiplier allows for easy adjustment of the stroboscopic performance by unlimited rotation to the left or right, enabling simple increases or decreases in the measured value during daily use. 2. Handheld Stroboscope The measurement range of this tachometer is 60 49,999 RPM, with a accuracy of 0.001%, surpassing similar products. It is suitable for measuring motors, fans, pumps, and gears. 3. 750 LUX Stroboscope Illuminance: 750 LUX. You can adjust the stroboscopic rate according to measurement requirements, increasing or decreasing the value. It offers the advantages of brightness, a larger illumination range, and easy operation in dark environments. 4. NO Reflective Tape Required This LED stroboscope is used to measure fast rotating objects such as motors, fans, pumps, gears, etc., without the need for reflective tape. Simply mark or identify existing markings on the device being measured, and you will obtain the precise value you need.