Godox X1-C 2.4GHz Wireless Hot Shoe Flash Trigger Kit Transmitter Receiver for Canon 32 Channels Speedlite Remote Control TTL 1/8000s HSS (set: 1 Transmitter + 1 Receiver) Built-in 2.4G wireless transmission provide 100 further transmission distance and cerative triggering methods. Fully supporting TTL functions,support for E-TTL II autoflash,1/8000s High-speed sync,flash exposure compensation,flash exposure lock. Wireless remote control and grouping system. Big and clear LCD panel.Big and clear LCD panel.