Remote control your flash in one smart move Take your photography one step further and fit the Speedlite Transmitter ST-E10 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 design Taking power direct from a compatible camera’s 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 flash Control 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. Simple operation through the camera menu Press the MENU button on the Speedlite Transmitter ST-E10 to bring up the Speedlite settings menu on the camera’s LCD, allowing you to easily and quickly configure and adjust your lighting setup. Durable and weather resistant Featuring 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 app For even greater control and creativity, use the Canon Camera Connect app to control the Speedlite Transmitter ST-E10 remotely when you can’t see the camera’s menu.