Control: Setting flash power on/off, power level, modeling light on/off, buzzer on/off, and flash triggering.
Remote power adjustment: Each flash group can be set to 16 different power levels.
Flash grouping: Firing at most 16 group of flashes for creative photography.
One-for-Multiple: Flexible combinations of one transmitter and multiple receivers.
Special Receiver: Compact and no batteries needed, powered by flashes, thus having stronger interference capability.