Portable, microprocessor-controlled digital stroboscope with built-in battery for mains-independent use also as a speed and frequency meter; external supply for continuous operation via MOVISTROB® charger/power supply; fast menu-guided handling via multi-function control knob; easy to read eight digit LC-display; automatic flash frequency control at 65 Hz up to 70 Hz; storage of all measured values after switch off, double flash function; operator guidance on front panel; various accessories can be added on step-by-step to the basic instrument.