Features: Built-in Godox 2.4G wireless X system versatile using methods, can use as a wireless Godox flash trigger or as a flash(without Godox X system) trigger with 2.5mm sync cord jack. 16 groups and 32 channels to wireless control and trigger. Add 01 to 99 wireless ID settings, which can only achieve triggering when the channels and wireless IDs of the master and slave unit are set to the same, avoiding signal interference effectively. Fully support TTL autoflash, 1/8000s high-speed sync, multi flash, manual flash, flash exposure compensation, TCM transform function, magnification function, one shoot multi-shoot setting, group modeling lamp control, group zooming, adjusting all groups\' output value simultaneously, etc. Easy operation and great portability, the extra-large LCD panel, 5 group buttons and 4 function buttons offer convenient manipulation. Compatible for hotshoe-mounted PENTAX series cameras (TTL autoflash) and supports type-C USB firmware upgrade.