Buy from Amazon.com : http://fave.co/1bjt1kb <br /><br />Yongnuo RF-603 N3 Wireless Flash Radio Trigger for Nikon D600 D7100 D7000 LF241<br /><br />Product Description : <br />The new RF-603 II is improved version of RF-603 it is a remote shutter release as well as a multi-functional flash trigger which can synchronously trigger flashes and studio strobes <br />Through the transceiver based system each item can be used flexibly as trigger or receiver <br />Only 2 AAA batteries are required as power source for each item <br />The 24GHz wireless frequency is suitable in most countries and guarantees high speed distance and stability Within capacious areas the remote control distance may reach to 100m <br />The synchronization speed can reach to 1320 depending on the situation
