The Falcon Eyes HS-25E Hotshoe Adapter makes it possible to trigger up to 4 (camera) flashes. The HS-25E has 2 female x-contact points, 1 male x-contact point and a standard center contact point. Further, it is equipped with a test button allowing you to test whether your camera flashes are connected properly.
Falcon Eyes Hotshoe HS-25E + 3 Way X-Contact Specifications
All Speedlite camera flashes equipped with a center contact can be attached to the center contact of the HS-25E.
Please note: Sony and Konica Minolta Speedlites are not compatible with the HS-25E. Please see the optional accessories tab below for all suitable synchronization cables with an x-contact.