Godox X1R-C Receiver is compatible with Canon Cameras(Support TTL Autoflash), Support for the Cameras with a PC Sync Socket Built-in 2.4G wireless transmission provides 100 meters further transmission distance and creative triggering methods. Godox X1R-C Wireless Receiver Support for TTL Autoflash, 1/8000s High Speed Sync, Flash exposure compensation, flash exposure lock, modeling flash etc. Wireless remote control and grouping system; support 5 groups and 32 channels to triggering flash, with Big and Clear LCD Panel for easy operation. Wireless Shutter Release: Receiver can control cameras shooting through 2.5mm shutter release interface