Pulse Photo 4 channel wireless flash trigger up to 30m 2 for flash units such as Canon 580EX II, 430EX II - Nikon SB-910, SB-900, SB-800, etc. (optional)
I need for my studio simple, general-to-use remote trigger for lightning and via the jack cable, so I'm writing not about the use of clip-on (as there is a whole lot of vendors and many good options). For the called price of this set is unbeatable -