The ad200 ttl pocket flash kit from godox is built around a unique flash light source that has a standard speedlite head and a bare bulb head that give you the option of 2 distinctly different qualities of light.
The ad200 has 3 flash modes: manual, ttl and multi (stroboscopic).
High speed sync up to 1/8000s , power level, modeling lamp and ready beeper at distances up to 328'.
The 14.4v / 2900mah battery pack gets 500 full power flashes with 0.01 to 2.1 sec recycling.