The AD1200Pro recycles to full power in just two seconds and features a high-speed sync mode that works with shutter speeds up to 1/8000 second with action-stopping flash durations from 1/220 to 1/10,860 seconds. Another unique setting is its Stable Color Temperature mode, which tightly controls color to keep temperature changes within ±75K across the entire power range. Besides these impressive specs, in Stroboscopic Mode it's capable of 100 continuous pops at 1/16 power output. Finally, a 40W LED modeling lamp with three selectable modes draws negligible power and helps previsualize your captured image. Benefits: 2.4 GHz wireless system with a range of 328' / 100m, featuring five controllable slave groups and 32 channels Guide number of 407' at ISO 100 Can work as an optical slave with S1 and S2 modes Color temperature of 5600K (±200K) 3.5mm Sync cord slot for direct connection, wireless control port, and USB Type-C port for firmware upgrades First curtain and second curtain sync modes Dot-matrix LCD display for on-board control Bowens-type reflector mount for use with compatible accessories Battery pack measures 10.2 x 9.3 x 5.7" / 26 x 23.5 x 14.5cm