Buy on Amazon : http://www.amazon.com/gp/product/B00GWFDQRG?tag=scratchandsti-20 <br /> <br />EACHSHOT Pixel King Pro Wireless 1/8000s TTL Flash Trigger with 2 Receivers for Nikon <br /> <br />Support the power zoom and group control function <br />Support exposure lock and ratio output function <br />Support three flash groups output different power flash <br />Support front-curtain sync rear-curtain sync high-speed sync <br />Support manual setting on transceiver for group flash
