... Flash light mode,video function close.LED1 lighting(thereinto LED lighting)choose OFF can close LED1, adjust POWER ... 2.FLASH/OFF:Video Mode,choose LED1will lighting a LED lamp in the middle, choose LED2 will lighting ... and buzzing.Modelling light(in the middle of LED)willl light. The light will be stand by ... Studio Treasure, Camera Flash Light,Camera Strobe Light,Led Video Light, Photographic Equipment