Nikon WR-T10 / WR-R10 / WR-A10 radio remote control kit (accessory)
At the Funkfernsteurungs kit that is supplied as the way "WR-10", there are really only two things to say: It's expensive and it's perfect. The WR-10 can be assembled without any problems (the transmitter / receiver WR-R10 is plugged with a kind