JJC SR-F2 Remote Commander is specially designed for Sony cameras and camcorders. You can use the remote commander to operate a camera or a camcorder that has a Sony Multi Terminal or REMOTE Terminal. The working distance of SR-F2 is up to 1m / 3.28'. It allows you to record movie / still images without vibrations. The remote commander has basic recording functions (power on / off, video / still image recording, zooming and displaying grid line). With locking function, JJC-SR-F2 is ideal for Bulb long exposure and successive shots. No need for battery, the remote commander is lightweight for storage and transport. With the inbuilt 1/4"-20 female thread and the removable clip, the remote commander can be attached to most of devices. JJC SR-F2 replaces Sony RM-VPR1 Remote Commander.