Buy from Amazon : http://www.amazon.com/gp/product/B0034Z4PYK?tag=scratchandsti-20 <br /> <br />Neewer? Wireless Studio Flash RT-16 Trigger 4 Receivers - 16 CHAN <br /> <br />This wireless trigger is control discreteness for camera to trigger hot shoe flashgun synchronously <br />Easy installation low power consumption <br />No any damage to camera <br />High-speed and synchronous for 1200 second <br />Max working distance 30M open area without interference
