Description
Compatible with Canon E-TTL / E-TTL II Support for 622 and 560-RX Communication Frequency: 2.4 GHz Range: 328′ TTL and Manual Flash Modes Supports Group Ratio & Multi Flash AF Assist Beam; USB Update Support High Speed, 1st and 2nd Curtain Sync PC Sync Port and Super Sync Function Runs on 2 AA Batteries