... power.LCD screen flash output power will show 2.0-6.0 of the max output.2.FLASH/OFF:Video Mode ... show the LEDS number from 2.0-6.0,2.0 is the smallest,6.0 is the lightest. 3.BUZZ/ON ... are the car charger and AC power picture. Dison Genius, Studio Treasure, Camera Flash Light,Camera Strobe Light,Led Video Light ...