Yongnuo disparador remoto inalámbrico, disparador de flash RF-603II para 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, 1DX, 6D, 7D