Guide number: 60. Master and Slave modes. M, MULTI, TTL Flash Modes. Support HSS. Continuous LED light.
Guide number 60. Built in YN-E3-RT / ST-E3-RT trigger. HSS, TTL modes. Li-Ion battery indluded.
Guide number 58 - built in RF-602/603 transceiver. Negative Black edition
Guide number 58 - built in RF-602/603 receiver. Negative Black edition