More on Amazon.com : http://www.amazon.com/gp/product/B00ITN6FHC?tag=thefatkidin06-20 <br /> <br />Yongnuo RF-603ii Single 2.4GHz Wireless Flash Trigger/Wireless Shutter Release Tranceiver for <br /> <br />Max Sync Speed 1320 second <br />Type FSK 24GHz wireless remote control system <br />Transmission distance 100m <br />Channels 16 channels <br />Includes 1 tranceiver only
