Yongnuo YN24EX E TTL Twin Lite Macro Flash Speedlite for Canon Sony Cameras with Dual 2pcs Flash Head + 4pcs Adapter Rings|speedlite for canon|for canonflash twin - AliExpress
Amazon.com : Fully Dedicated Automatic TTL Flash for Canon DSLR Cameras Including EOS Rebel T3, T3i, T4i, T5, T5i, T6, T7, T6i, T6s, T7i, SL1, SL2, EOS 60D, 70D, 77D, 80D, 5D
Amazon.com : GODOX TT685II-C Flash for Canon Speedlight Camera Flash E-TTL Speedlite High-Speed Sync, 2.4G Wireless X System Compatible for Canon Flash 5D Mark IV 6D Mark II 7D 90D 250D R5