Using the WU-1a optional wireless mobile adapter you can now automatically send great images to your smartphone & even use your smartphone to remotely capture images from your D3200/D5200/D7100. With an easy to use app, now when you cant wait to share that great shot you dont have to. Share it to your smartphone in a instant. Easy Transfer: Images from the D3200/D5200/D7100 can be downloaded to a compatible smart device as they are taken or download existing images from the cameras SD memory card. Note: Images will be downloaded after they are saved to the cameras memory card. Easy Sharing: Single images or groups of images can be shared using apps stored on the smart device via email, text messaging, or by uploading to a blog or social networking site—just like any other image on your smartphone or tablet. Notes: Movies can not be viewed using the Wireless Mobile Adapter utility (app) but can be played back by tapping the movie or playback icon to display a list of movie apps & choosing an app from the list. The WU-1a Wireless Mobile Adapter works with Wi-Fi 11b/g/n. Wi-Fi Shooting: Images can be taken remotely using a compatible smart device using the cameras Live View preview on the smart device to frame & compose the subject. Note: Smart device is used to remotely fire the camera, maximum distance is up to 49 feet & the smart device can not be used to adjust settings on the camera. The dedicated application runs on Android™ 2.3 or later (smartphones); on Android 3.0 or later (tablets). iPhone & iPad: i OS version 6.0 or later. Operating system is required to use the WU-1a.* * Specifications & Compatibility: OS: Smartphones, Tablets: Android™ version 2.3 or later (smartphone), Android version 3.0 or later (tablet). iPhone & iPad: i OS version 6.0 or later. Wi-Fi: 11b/g/n (maximum range Approx. 10-15m/33-49 ft). The Wireless Mobile Utility application must be installed on the smart device before it can be used with the D3200/D5200/D7100. The application can be downloaded free of charge on Google Play™ on your Android device running Android 2.3 or later (smartphone) or Android 3.0 or later (tablet). For the i OS mobile platform, the application can be downloaded free of charge from the i Tunes online store for use with i OS version 6.0 or later. Specifications & equipment are subject to change without any notice or obligation on the part of the manufacturer. iPhone, iPad & i Tunes are trademarks of Apple Inc., registered in the U.S. & other countries. Android & Google Play are trademarks of Google Inc. Wi-Fi & the Wi-Fi CERTIFIED logo are registered trademarks of the Wi-Fi Alliance. All Nikon trademarks are trademarks of Nikon Corporation.