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
Guide number: 60. Compatible with transmitter Navigator X. Support HSS. TTL/M/Multi modes.