Opteka Timer Remote Control for Sony Alpha A100, A200, A300, A350, A500, A550, A700, A850 & A900 Digital SLR Cameras Works for Sony Alpha A900, A700, A350, A300, A200, & A100 Digital SLR Cameras 4 Modes: Shutter Release Timer (0s-99h59m59s), Exposure Timer (0s-99h59m59s), Interval Timer Backlit LCD Screen, 3 Foot Cord 6" X 1.5" X 0.70"; 3.70 Oz; Operates on two AAA Batteries (Included) 1 Year Warranty