A1 AirTTL-C Unit
Supported camera models
1DX Mark II, 1DX, 1DS Mark III, 5DS, 5DS-R, 5D Mark IV, 5D Mark III, 5D Mark II, 6D Mark II, 6D, 7D Mark II, 7D, 80D, 77D, 70D, 60D, 800D, 700D, 1300D, 1100D
9 f-stops (2.0-10)
HSS energy range
9 f-stops (2-10)
Normal sync and remote control up to 300 m (1000 ft).
TTL and HSS up to 100 m (330 ft).
Yes, USB micro connector for firmware upgrades
USB micro connector for firmware upgrades
Up to 350 full power flashes
Battery charges in up to 80 minutes
User upgradeable firmware
560 g (1.2 lbs) including battery