Strobe with twinkling and pilot light Noiseless flashing and modeling light stroboscope for vocal cord diagnostics based on LED technology. Laryngoscopes from most well-known manufacturers are suitable for use. An image with a variable phase position and a “time loop” mode is set using a foot controller. Audio output for archiving the voice signal (microphone attached to the laryngoscope included). Flicker frequency 70 - 1000 Hz without substitution.