Godox X2T N mount

regarding this item 
User-friendly design: In dark conditions, the buttons may be easily operated thanks to their backlighting. For simpler operation, the LCD features three function buttons, five group buttons, and a clear large screen display.
Bluetooth functionality: To change the flash mode, power size, modelling light, buzzer, and other features, the X2T may be linked to a smartphone or tablet app. 

TTL auto flash support: extensive, expert features. Complete support for TTL auto flash, stroboscopic flash, manual flash, exposure correction, 1/8000 second high speed sync, scanning function, mobile app adjustment parameters, modelling light control, single shot/group shooting setting, overall power adjustment in all groups, etc.