Master wireless flash control with the Phottix Odin TTL Flash Trigger Transmitter for Canon. This transmitter operates on a reliable 2.4 GHz frequency and provides TTL communication with Canon E-TTL/E-TTL II flash systems, enabling automatic exposure control and manual power adjustment. With four channels and three control groups, you can manage multiple flash units individually and adjust power compensation in 1/3 stop increments. The unit features high-speed sync capability up to 1/8000 second, remote flash head zoom control, and an intuitive backlit LCD display for easy operation in any lighting condition. USB port firmware updates keep your system current, whilst the transmitter runs on standard AA batteries for portable, flexible use.