More from Amazon.com : http://www.amazon.com/gp/product/B00JFR9Q4A?tag=purrfectcatdi-20
Neewer 4 Channel FM Radio Wireless Flash Speedlite Trigger with 4 Receivers and a PC Sync Cord
This flash trigger device is control discreteness for camera to trigger hot shoe flashgun synchronously Its made up of two parts named signal transmitter and receiver Work through wireless remote signal controlling
The transmitter consists of advanced designed circuit and component and works through sending encoded signal
It comes with 25mm sync portwhich permits the camera without hot shoe using this flash trigger
Very low voltage workingSo it can ensure high level of safety and no damage to the camera
Note Camera and flash light are not included