Foto&Tech IR Wireless Remote Control Compatible with Sony A7III,A7R III,A9,A7R II,A7 II,A7 A7R A7S A6500 A6300 A6000 A55 A65 A77 A99 A900 A700 A580 A560 A550 A500 A450 A390 NEX-7 NEX-6 NEX-5T NEX-5R Wireless Shutter Release -Trigger the cameras shutter release remotely from a distance Eliminates vibrations caused by physically pressing the shutter release. Operating range- up to 32 ft. It is powered by a CR-2025 3v battery (included). Sony compatible. 1 Year Replacement Warranty by Foto&Tech.