Buy on Amazon : br br YN-622N YN 622N YN622N Wireless TTL Flash Trigger for Nikon Camera - New Released br br Using Digital FSK 24GHz frequency band with 7 channels it has three modes i-TTL Manual and Multi and it can fire flashes at 360 degree direction the operating range is 100 metres br It supports FEC FEB FEL High-speed Sync 1st Curtain 2nd Curtain Modeling flash i-TTL Group Ratio ALLABAB C ManualMulti group ALL AB ABC Manual and Multi mode Auto Zooming Manual Zooming AF Lamp