Yongnuo New RF-602 C3 Wireless Remote control Switch & Studio Flash Trigger Combi System for Canon Eos 1D,1DS,5D,5DII,7D,10D,20D,30D,40D,50D FSK 2.4GHz wireless remote controls 1 = 2 !RF-602 = Wireless Flash Trigger + Wireless Remote Control! It would be a perfect system This RF-602 Wireless Remote System combines the most commonly used remote control function The RF-602 transmitter/receiver pair can be used to trigger all studio flash units by employing a 6.35mm standard phone jack or 3.5mm mini phone jack sync input (included in package) Suitable for: Canon Eos 1D,1DS,5D,5DII,7D,10D,20D,30D,40D,50D