Description: 2.5mm-N3 remote shutter release connect cable. This cable is specially designed for cable removable/changeable timer,which means if you have such timer,you just need to buy additional cable instead of a timer for your other model camera. For use of releasing shutter remotely to reduce camera shake. Fit for Canon:7D/7DII/6D/50D/50DII/50DIII/5D/5DS/5DSR/40D/30D/20D/10D/1D/1DS/1DX/1Ds Mark II/1Ds Mark III/1Ds Mark IV/1V etc. It's very convenient and easy to use it, I think it's a very good choise for you. Specification: Model: N3 Shutter Release Cable Type: 2.5mm Size: 40cm Coiled Cable Max Length:150cm Suitable for: for Canon 5D3 5D2 7D 6D 5Ds 50D 40D 30D 20D 10D 1Ds ect Package Includes: 1 Piece 2.5mm-N3 Shutter Release Cable