Progo DSLR Timer Remote Control Shutter for Canon EOS series of cameras- Fully Compatible with Canon RS-80N3. Retail Packaging. Progo Brand Premium Grade Shutter Cable Release with Timer and Intervel Auto-focusing, interval 1sec - 100hr. Shutter Count: 1-399 times + infinity Functions as the camera shutter switch (with halfway or complete button pressing) Designed for group, macro, long exposures, continuous, motion shooting, etc. 12 months manufacturer warranty