The TriFlash Sync is identical to the TriFlash Shoe Lock but with the added of a built in sync system allowing the photographer to fire up to three flash guns from one triggering device. The sync bracket can be fired by either the built in slave cell or via a triggering device plugged into the built in X sync/PC sync socket. The built in slave cell can be adjusted to allow for none, 1, 2 or 3 pre flashes if required. The TriFlash Sync is shipped with a 3.5mm to 3.5mm mono jack cable and a 3.5mm mono jack to PC Sync cable to attach third party triggering systems. There is also a dummy cold shoe included for photographers who only work with one or two guns and want to slide their trigger receiver onto one of the spare shoe mounts.