YONGNUO i-TTL Speedlite YN685 (YN-568EX Upgraded Version) 622N/603 Dual Wireless System Works with YN622N and RF603 Wireless Flash for Nikon DSLR + YN622N-TX + EACHSHOT&reg; Filter + Diffuser Updated version of YN568EX Build in Receiver Worked with YN622N YN622II-N YN622N-TX YN560IV YN560-TX RF605 RF603II and RF603. YN685 Comes with YN622N-TX and EACHSHOT Color Gel Filters and EACHSHOT Diffuser