... power will show 2.0-6.0 of the max output.2.FLASH/OFF:Video Mode,choose LED1will ... the second time Flash. S3:Continous-flash function,Camera Hotshoe Flash,IR Flash,X line Flash, Hand Flash ... Flash.Everytime can flash 5 times. S4:Continous-flashfunction,Camera Hotshoe Flash,IR Flash, X line Fash, Hand ... you just set the transmitter on the camera.Press shooting that can use the flash light and flash at ...