Digital Stroboscope Kit, Includes Kit Case, Manual, Recharger, Resolution 0.01 fpm, Digital Display Screen Type LCD, Maximum Flashes per Minute 500,000 fpm, Minimum Flashes per Minute 30 fpm, Maximum Flash Duration 3,000 usec, Power Source Battery, Calibration Certificate Type NIST, Phase Shift Internal, External Triggers Input/Output, Body Style Full Size, Battery Run Time 10 hr, Accuracy 0.004 Percent, Manufacturer Warranty Length 1 yr, Batteries Included Yes