Check the listing for details. Remote control IR Wireless for Sony Alpha, NEX Series Cameras. Condition: New. Listed at 10.00 USD. Camera IR Wireless Remote Control for Sony NEX5 NEX7 A57 A65 A77 A33 etc. Pleaseset your Camera in Remote Mode before use it. Working distance up to 25 feet.Battery: CR2025 (replaceable)(included)Dimension: 86*40*6.5mm (L*W*H)Operating Temperature: 40℉~105℉Typical Battery Life: Up to 3 years,20,000 exposures Suitablefor those camera models:Sony camera with remote controlshooting functionSony Alpha -A230/A290/A330/A380/A390/A500/A550/A560/A580/A77/A65Sony Alpha - A700 /A850 /A900/NEX-5/SLT-A33/SLT-A55V/SLT-A99VSony NEX-6 NEX-7 NEX-5R NEX-5NThese cameras have built-in Infrared(IR) port so that they will work with the remote. Thereare two ways of focus and shooting:Press the "S" button, yourcamera will focus and take picture.Press the "2S" button, yourcamera will wait for 2 second and then focus and take picture.