From Nikon:
[h=3]Wi-Fi for the rest of us[/h] The D3200 and D5200 D-SLRs and the optional accessory
WU-1a Wi-Fi adapter; along with the D600 D-SLR and Nikon 1 V2, S1 and J3 models with the optional accessory
WU-1b Wi-Fi adapter allows you to take photos with these high quality Nikon digital cameras, NIKKOR lenses and Speedlights, and upload them via an Android™ or iOS powered smartphone or tablet to your computer, to the web or into an email. The app. also lets you access the photos (and videos) on the media card in the respective cameras using your smart device.
[h=3]Remote Control[/h] You can even use your Android™- or iOS-powered phone/tablet as a remote to shoot photos with—allowing you to get into the shot along with your other subjects, or even place the camera in a location to capture wildlife while you snap the shutter from a remote spot far from the wild animals. What’s really fun is that you actually see the same image the camera sees on your smartphone or tablet’s LCD screen—allowing you to shoot at precisely the right moment that you want.