Guide number: 56(ISO 100, 180 mm)
Motorized zoom: 18-180mm, manual/ automatic zooms
TTL Flash Mode: TTL, M, FEB, Slave, S1, S2, Multi
Wireless Trigger: Light Pulse, induction flash light
Slave Group and Unit: 4 Slave channels (1, 2, 3, 4)
3 Slave groups (A, B, C)
Flash Duration: 1/200 seconds – 1/20,000 seconds
High Speed Synchronization: up to 1/8,000 seconds
Manual Flash Control: 1/128 – 1/1 step 0.3EV,
A total of 22 grade fine-tune gear
Recycle Time: 2.9 seconds
Power Supply: 4x AA batteries or 4x AA Ni-MH batteries (any batteries are not included)
Quality of Flashes: 100-1500 times
Size: 75*200*57 mm
Weight: 375 g (without any batteries)