Supports Flash modes: ETTL, M, M ULTI
Supports single contact flash trigger
Supports remote shutter function, test firing
Supports PC output interface
Supports USB upgrades
Supports single contact lead flashing
The compatible transmitter (master unit) :
YN-E3-RT/YN600EX-RT/ST-E3-RT/600EX-RT
Parts of the compatible E-TTL flash list:
Canon 600EX( RT) /580EXI I /430EXI I
Yongnuo YN568EX(II)/ YN565C/YN468C(II) /YN467C(II) /YN465C