... , 50D, 40D, 30D, 20D, 10D Description: Flashgun Trigger (Digital SLR Camera Accessory) forCanon EOS 7D, 5D series, 1D series, 60D, 50D, 40D ... Flash 580EXII, 430EXII, 580, 430 also support to other brand camera or speedlights and studio lights but the sync speed would ... battery) Suitable for Model:For Canon Transmitter(TX):Canon series camera EOS 7D/5D series/ 1D series/ 50D/40D/30D/20D ...