Yongnuo Speedlite E3-RT Transmitter for Canon 600EX-RT

Make the task of wireless flash shooting on your Canon camera an easy one with the Yongnuo Speedlite E3-RT Transmitter. It features a transmission range of 100 m, which enables the Speedlite to provide better lighting in low-light conditions. The high-resolution Dot-Matrix LCD screen comes in handy for displaying vital information regarding the flash. The back-lit LCD keys are convenient to operate even in the dark. The fast lock mechanism makes it easy to attach the transmitter swiftly. Additional features in this transmitter include a built-in autofocus assist beam emitter, buzzer, and nine custom functions.