With the WU-1a Wireless Mobile Adapter from Nikon, you can take great photos with numerous Nikon cameras and automatically download the images to your smartphone or tablet to share with friends immediately--no waiting for images to transfer! Just shoot a picture with your digital camera with the tiny WU-1a attached to it, and images you choose will be automatically transferred to your smartphone or tablet, ready to share online! Any image you choose to transfer to your smartphone can be treated like any other image--edited, emailed, texted, uploaded to a blog or social network site. You can even use the WU-1a to trigger the camera's shutter release using your smartphone or tablet, with a range of approximately 33 to 49' (10 to 15 m)--so including yourself in group shots with your friends is even easier. The WU-1a is compatible with the following Nikon cameras: D7100, D5200, D3200, D3300, Df, COOLPIX A, COOLPIX P330, COOLPIX P520, COOLPIX P530, COOLPIX P7800, Nikon 1 S2