Yongnuo RF-603 II N3 Wireless Flash Trigger for Nikon D90/D5000/D3100/D3200/D7000//D5100/D600 The Highest Flash Sync Speed Up to 1/320 Second The RF-603 II Nikon Version and Canon Version Can be Used Together You Can Use The Single Receiver to Fulfill the Function of Remote Shutter Release After You Connect it With Your Camera via The 2.5mm Cable