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Powerful Flash with High Guide No. 58 (m) / 190ft(at 105mm focal length,ISO 100 in meters/feet).
Charging socket for external power pack: adds a charging socket for external power pack. PC synchronous port: simple for you to use the PC synchronous line.
Wireless triggering distance: 20--25m indoor,10--15m outdoor
Compatible with Canon DSLR Cameras
Backed with Neewer 1-Year 100% Satisfaction Guarantee.