Godox X1C TTL 2.4 G Wireless Transmitter + Receiver kit for Canon EOS Series Cameras (X1C KIT) Godox first TTL wireless flash trigger X1C applies to Canon EOS series cameras Featuring multi-channel triggering, stable signal transmission, and sensitive reaction, it can be used to trigger camera shutter, studio flash and camera flash X1C is compatible with market-available cameras which support E-TTL II