Fit the Canon ST-E10 Speedlite Transmitter to compatible cameras to control up to 15 Speedlites remotely. This compact unit offers you a low-cost way to sync and fire multiple units for creative lighting, taking your photography to the next level. Featuring the same level of weather sealing as the latest Speedlite flashguns, the transmitter is durable and robust enough to take on even the most demanding of assignments. Benefits Powered from a compatible cameras Multi-function shoe Small, lightweight and unobtrusive, unlocking a whole new world of creative, off-camera lighting Control up to 15 Speedlites up to 30 m even outside. 2.4 GHz radio frequency triggering operates reliably, supports wireless second-curtain sync and permits power levels down to 1/8192 Press the MENU button on the transmitter to bring up the Speedlite settings menu on the cameras LCD, allowing you to configure and adjust your lighting setup easily and quickly The transmitter is durable, robust and sealed against dust and moisture for even the most challenging of conditions For even greater control and creativity, use the Canon Camera Connect app to control the transmitter remotely when you cant see the cameras menu What\'s in the box ST-E10 Speedlite Transmitter Soft case (Shoe) Cover User Manual Kit Compatibility EOS R3