Godox Thinklite Camera Flash TT520ll.
With built-in wireless signal, Godox Thinklite Camera Flash TT520ll supports wireless triggering functions, compatible with almost all DSLR cameras using the standard hotshoe.

Lightning Fast Trigger Speed godox wireless flash
Lightning Fast Trigger Speed.
433MHz wireless transmission, RT transmitter and 16 channels triggering at 1/300s - 1/20000s flash speed for clear and vivid images.

wide panel reflection card wireless flash
Built-In Reflection Card.
The built in Reflection Card gives a highlighted point on the eyes, while it's wide panel creates soft and natural illumination.

3 flash modes
3 Flash Modes: M, Si and S2 for improved versatility and usability.
external power pack charging flash
Better Charging Experience: Added with sync socket and terminals for external power pack.
Extended Range Of Motion.
Vertical Rotation Angle:
0-90 Degrees.

Horizontal Rotation Angle:
0-270 Degrees.

Extended Range Of Motion.
Features.
With 433MHz wireless transmission, RT transmitter and 16 channels to triggering
1/300s - 1/20000s flash speed, clear and vivid images
3 flash modes: M, Si and S2 for improved versatility and usability
8 variable flash output from 1/128 to full, meeting your flashlight demand
Multiple auto-self protections for power saving and against overheating

http://www.godox.com/EN/InstructionManual/Godox_TT520II_TT560II_20171017.pdf