Meike Mk320 Mk320-f TTL Speedlite for Fujifilm Digital SLR Cameras+ Free Diffuser+GIFT[Battery Caddy] [GIFT-Battery Caddy]Lightweight and portable size, good quality and low price High precsion manual adjustment: 8 Power levels, each level has 3 fine tuning adjustment, providing you a more precise brightnessoutput and flexible brightness control Strobpscopic flash function: The strobosopic flash is to record the continuous motion of the subject in a picture in virtue of the continuous flash of the electronic flasher TTL function: TTL full-automatica flash is to automatically adjust the flash intensity of the flash lamp for the correct flashing according to the feedback signal from the photometry of the camera lens S1/S2 mode:S1 mode-It is suitable for the manual mode and when the master control flashlight is on, the remote control flashlights will be triggered; S2 mode-It is suitable for the master TTL mode, and only when the second flash of the master control flashlight is present can the remote control flashlights be triggered