Yongnuo RF 603 II/C3 (Version II) 2.4GHz Wireless Flash Trigger for Canon 10D/20D/30D/40D/50D/1D/1D Mark II/1D Mark III/1D Mark IV/1Ds/1DS Mark II/1Ds Mark III/5D/5D Mark II/5D Mark III/6D/7D/1DX

• 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.
• Through the transceiver based system each item can be used flexibly as trigger or receiver.
• Only 2 AAA batteries are required as power source for each item.
• The 2.4GHz 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.
• The synchronization speed can reach to 1/320, depending on the situation.

Product Description Yongnuo RF 603 II/C3 (Version II) 2.4GHz Wireless Flash Trigger for Canon 10D/20D/30D/40D/50D/1D/1D Mark II/1D Mark III/1D Mark IV/1Ds/1DS Mark II/1Ds Mark III/5D/5D Mark II/5D Mark III/6D/7D/1DX Box Contains 1 lens