Opteka GPN-1 Geotag GPS & Shutter Release Cord for Nikon D3, D3S, D3X, D4, D750, D700, D300, D300S, D2X, D2XS, D2HS, D200, D5000, D5100, D5200, D5300, D3100, D3200, D3300, D7100, D7000, D90, D800 and D810 DSLR Cameras (Nikon GP-1 Replacement) Works on the Nikon D3X, D3S, D3, D700, D300S, D300, D2x, D2XS, D2HS, D200, D90, D7000, D5000, D5100, D3100 Geotags your images with valuable information such as latitude, longitude, altitude and time information Bonus remote cord (included) plugs right into the GPN-1 and allows the shutter to be released from a distance. Powered by your camera. No batteries required 1 Year Warranty