Yongnuo RF-603NII-N1 Wireless Flash Trigger Kit for Nikon D700 D800 D1 D2 D3 D4 with TARION Flash Diffuser Adopts 2 levers button design, it will realize the awakening, flash testing, focus and shutter function in "TX" and "TRX" state respectively. Supports single contact triggering. Can achieve wired and wireless remote shutter release function. Handhold the flash for remote flash trigger sync. Remote shooting with flash trigger sync. LS-2.5 N1 shutter connecting cable. Hot shoe locking prevents device slipping off. Updated switch on side face facilitates operation. Suitable for Nikon D1 / D1H / D1X / D2 / D2H / D2Hs / D2X / D2Xs / D3 / D3S / D3X / D4 / D200 / D300 / D700 / D800.The complimentary product flash diffuser is suitable for hot shoe flash.