Godox X1R-C 32 Channels TTL 1/8000s Wireless Remote Flash Receiver Shutter Release for Canon EOS Cameras GODOX X1T-C Transmitter Compatible with Godox X1T-C transmitter. Support GR group flash, max.5 groups & 32 channels. 2.4G wireless transmission, operating distance can reach up to 100 meters. Can be used as a shutter release. LCD screen for convenient operation.