Enlight Application Controlled Shutter Release for Nikon (Black) Cable and free app turns your iPhone, iPod, and iPad into a controlled shutter release tool App features a Timer, bulb for long exposures, time-lapse settings, Clip To Snap, and Shake To Take Compatible with iPhone 3GS-4-4S-5-iPod touches from gen 4 onwards-all iPads 1-2-3-4-mini Works with current Nikon digital SLRs D3 - D4 - D90 - D7100 - D3100 - D5100 - D3200 - D7000 - D200 - D300 - D700 - D800 - and more Half the price of shutter release cables from original manufactures