Buy on Amazon : http://www.amazon.com/gp/product/B00LOMQM9Q?tag=catfoodrevi0a-20 <br /> <br />Yongnuo Rf-602 C3 2.4ghz Wireless Flash Speedlight Trigger with 4 Receivers for Canon EOS 5d <br /> <br />Model Yongnuo RF-602 <br />Type FSK 24 GHz wireless remote control system <br />Remote control distance 100M <br />Release Half-way press and full-way press <br />Receiver stand by time Up to 45 hours
