Excellent light effects, Distributing even light from center to edge, providing natural and beautiful light effect V1 Round flash head's light effect is softer and more even.
Build-in 2.4G Wireless X System, Build-in 2.4G wireless transmission offers all-in-one functions and 100 meters further transmission distance.
Powerful Li-ion Battery, 7.2v/2600mAh lithium batteries ensure better shooting performance.Max. 1.5s recycle time and 480 full power pops.
1/300 to 1/20000 seconds Exposure control system: E-TTL II auto flash and Manual flash S1/S2 Optic Slave Flash: Yes High speed sync (up to 1/8000 seconds). FEC, FEB, FEL, second curtain sync, etc.