Take your photography one step further and fit the Canon ST- E10 Compact RT Speedlite Transmitter to compatible cameras for off-camera Speedlite control. This compact all-in-one unit offers you a low-cost way to sync and fire multiple Speedlite units for creative lighting, taking your creativity to the next level.Super-compact designTaking power direct from a compatible cameras Multi-function shoe, the Speedlite Transmitter ST-E10 is small, lightweight and unobtrusive, unlocking a whole new world of creative, off-camera lighting.Advanced wireless flashControl up to 15 Speedlites up to 30m even outside. 2.4GHz radio frequency triggering operates reliably and supports wireless second-curtain sync and power levels down to 1/8192.1Simple operation through the camera menuPress the MENU button on the Speedlite Transmitter ST-E10 to bring up the Speedlite settings menu on the cameras LCD, allowing you to easily and quickly configure and adjust your lighting setup.Durable and weather resistantFeaturing the same level of weather sealing as the latest Speedlite flashguns, the Speedlite Transmitter ST- E10 is durable and robust enough to take on even the most demanding of assignments.Control from the Camera Connect appFor even greater control and creativity, use the Canon Camera Connect app to control the Speedlite Transmitter ST-E10 remotely when you cant see the cameras menu.