Guide number 31. Built in RF-602/603 trigger. HSS, TTL modes. Sony Multi Interface shoe.
Guide Number: 60. Support Slave/Master mode. M/Multi/TTL/Gr mode. HSS sync. Sony Multi Interface shoe
2.4GHz radio transmitter. Cooperation with Yongnuo lamps. M/Multi/TTL/Gr modes. HSS synchronization
2.4GHz radio transmitter. Cooperation with Yongnuo lamps. M/Multi/TTL/Gr modes. HSS synchronization