Fire compatible Speedlite flashguns over distances of up to 30m. Radio-frequency control provides reliable operation even when direct line of sight is not possible. Benefits Radio frequency remote flash trigger Weather sealed against dust and moisture. Remote camera triggering Controls up to 15 flashguns Part of the E-TTL II flash system Fire selected Speedlites from 30m away Compatibility EOS 40D* EOS 5DS EOS M6* EOS-1D Mark II* EOS 350D* EOS 5D Mark II* EOS 760D* EOS M5* EOS-1D Mark IV* EOS 1200D* EOS 300D* EOS 5D Mark III EOS 600D* EOS 77D EOS 7D* EOS 7D II EOS 80D EOS D60* EOS 4000D* EOS-1D Mark III* EOS-1Ds Mark III* EOS 100D* EOS 1100D* EOS 200D EOS 450D* EOS 60D* EOS 700D* EOS 750D* EOS-1D X EOS-1Ds Mark II* EOS M50* EOS 30D* EOS 500D* EOS 650D EOS-1D X Mark II EOS-1D C EOS 20D* EOS 400D* EOS 50D* EOS 550D EOS 5DS R EOS M2* EOS M3* EOS R EOS 250D EOS 1300D* EOS 60Da* EOS 6D* EOS 6D Mark II EOS M* EOS 2000D* EOS 5D Mark IV EOS D30* EOS 70D EOS 800D* EOS 10D* EOS M10* EOS 5D* PowerShot G5 X PowerShot G3 X PowerShot G1 X Mark III EOS RP EOS 90D EOS M6 Mark II EOS Ra EOS-1D X Mark III EOS 850D EOS R5 EOS R6 EOS M50 Mark II