Neewer IR Wireless Shutter Release Remote Control for Sony Alpha Series a7 II, a7, a7R, a7S, a6000, A33, A55, A65, A77, A99, A900, A700, A580, A560, A550, A500, A450, A390 DSLR Camera The wireless shutter release can trigger the cameras shutter release remotely from a distance. Eliminates vibrations caused by physically pressing the shutter release. Wireless control allows users to step away from the camera when shooting. Operating range up to 32 ft/10m. It is powered by a CR-2025 3V lithium battery (included). Sony compatibl