Nicefoto 316C High-speed 2.4GHz Wireless TTL Flash Trigger for Canon 5DII / 5DIII + More - Black
Supports shutter sync: front-curtain sync rear-curtain sync high-speed sync up to 1/8000s; Flash mode: E-TTL TTL M multi-flash; Supports wireless control: power zoom focus distance control ISO FV lock and FP function; Can install on one flash at each port of transmitting port and receiving port; Supports two or more flashlight; Supports TTL stereo oscopic-flash; Supports distance control flash w/ Canon and EOS DSLR