FeaturesHighly flexible twin flash systemCapture macro and close-up images full of detailTwin flash with fast recyclingHigh-brightness white LEDsOptical and radio wireless controlLight up the world of macro with a highly adaptable twin flash capable of powerful and creative illumination. Capture macro and close-up images full of detail thanks to a powerful, precise and highly flexible twin flash system that recycles quickly and silently for the creative lighting of small subjects where maximum control over light power and direction is essential.Twin flash with fast recycling Both flashes can be individually positioned on the ring and altered to suit the subject. Each is removable with sockets for mounting to external supports such as tripods or lighting stands. High-brightness white LEDs With adjustable brightness to allow easier focusing and modelling before the flash is fired, the focusing lamps can be turned on by a double depression of the camera shutter button. Optical and Radio Wireless control Use the flash as the master unit and operate other Speedlites remotely using either optical or radio wireless control. Creative lighting and custom functions Control shadow harshness with the special flash diffuser and assign custom preferences to control various aspects of the flash performance such as focusing lamp brightness or flash intensity. Intuitive control and optimised usability Using the same controls as other recent Speedlite units gives this flash a high usability factor. A sturdy metal mounting foot, with a one-touch lockable lever, secures the unit to the camera safely.