Hot Shoe Adapter Wireless Flash Controller or tripod 1/4-20'' thread (Buttom) to flash

Description
       

Harnessing optical theory making the master flasher to control remotely the auxiliary one to flash synchronously without the need of connecting wires.
Small volume, good-looking , high inflexibility and stable performance

Remote distance : L=Master flash Index/2 meter
Base on the photoelectric principle, master flash can remote control the slave flash which connects on FC series flash controller and achieve sync flash.