sell electonic remote switch for Canon SLR camera

length: 90 cm 1pc/gift(6.6x2.5x16.5cm)1) Two stage release button: halfway pressing for auto focus
2) Complete pressing takes the picture
3) Lock the button for long exposures or continuous shooting
4)prevents the camera from shaking
Compatible remote switch models:
Canon RS-80N3
Compatible camera models:
Canon EOS 5D, 1D, 1D Mark II,
Canon EOS 1Ds, 1Ds Mark II
Canon EOS 30D, 20D, 10D, D60, D30
Canon EOS 1V, EOS 3, EOS D2000