JJC WT-868 Wireless Multifunction Timer Remote w/ Cable For Sony A77II A99 A57 A35 A37 A100 A200 A300 A350 A450 A500 A550 A560 A580 A700 A850 A900 A33 A55 A65 A77 Replaces SONY RM-S1AM/RM-S1LM Works with a vast array of different cameras, you will just need to swap out the camera release cable for the correct camera. The transmitter works at a distance up to 100m(328 feet) on any one of 16 channels over a reliable 2.4GHz frequency. This remote can also be used as a wired remote by connecting the transmitter to the camera. You will just need to swap out the different cables to use our WT-868 with your different cameras. Equipped to handle a long list of timer functions