Timer Shutter Release 1.Camera remote control 2. Good quality 3. Easy used 4. For Canon Camera RS-80N3 Timer Remote Control for CANON RS-80N31. It is Suitable for Canon 50D 40D 30D 20D 1D etc2. Full functions supported as the camera shutter switch (with halfway or complete pressing)3. Design for group, macro, long exposures, continuous, motion shooting, etc4. Timer delay: 0s to 99hrs 59min 59s in ...