- The Remote Control Shutter Release Cable RM-S1AM is compatible with Sony A37, A65, A77, A700, A550, and A900 cameras. - It allows you to take photos remotely, which is ideal for self-portraits, group shots, or any situation where you want to avoid camera shake. - The cable is durable and reliable, and it features a 3.5mm jack that plugs into your camera's remote port. - In addition to the standard shutter release function, the RM-S1AM also has a lock function that allows you to keep the shutter open for long exposures. - This cable is an essential accessory for any Sony camera user who wants to take advantage of the remote shooting capabilities of their camera.