Wein Hot Shoe to Hot Shoe Safe Sync W990-560

SAFE SYNCS Safely reduces any electronic flash source from up to 400 volts to less than 6 volts to the camera sync input. This is absolutely mandatory for all high end and digital cameras.

HSHS ,990-560 Hot Shoe to Hot Shoe Safe Sync that also features professional heavy duty threaded PC high voltage input to 6 volts at the male hot shoe that the camera sees. Reduces redeye by raising shoe mounted strobe and also two can be used in tandem in effect for a high voltage input from pc or hotshoe to a low voltage pc if mounted on a camera bracket.