Precision Design GP-1 GPS Geotag Adapter Unit & Shutter Release Cord for Nikon D7100, D7000, D5300, D5200, D5100, D3300, D3200, D3100, D810, D800, D750, D610, D4s, D4 DSLR Cameras Geotags your image files as you shoot Draws power from camera body battery &ndash; no separate batteries or charging needed Indicator confirms when signal is available Compatible with most Nikon DSLR cameras, Same features and functionality as the Nikon GP-1, but also includes handy remote release cord. Compatible with Nikon D7100, D7000, D5300, D5200, D5100, D3300, D3200, D3100, D800, D610, D4s, D4 DSLR Cameras Geotags your image files as you shoot Draws power from camera body  no batteries or charging needed Indicator confirms when signal is available Compatible with most Nikon DSLR cameras Same features and functionality as Nikon GP-1 Includes handy remote release cord Includes strap clip for attaching the unit to a camera strap