RF Yongnuo 603 II / C3 (Version II) 2.4GHz for wireless flash triggers Cable for Canon 10D / 20D / 30D / 40D / 50D / 1D / 1D Mark II / 1D Mark III / 1D Mark IV / 1D / 1Ds / 1Ds Mark III / 5D / 5D Mark II / 5D Mark III / 1DX / 6D / 7D (Camera Photos)
To trigger a flash or remotely control the remote apparel for cheap at all! Nothing to say about the quality, it's perfect. The clamping screw this version II is a revolution compared to version I, it is essential! Functionally this is also perfect,
