The Opteka GPN-1 Geotagging GPS & Remote Shutter Release allows you to "geotag" your images with valuable information such as latitude, longitude, altitude and time information. For those who are on the go such as outdoor photographers, nature shooters, climbers, sports enthusiasts, news hounds, surveillance people, real estate agents and many more, this item provides a valuable way to accurately document when and where you shot a specific photo. A bonus remote cord (included) plugs right into the GPN-1 and allows the shutter to be released from a distance. Specifications Supported Cameras: for Nikon D3, D3S, D3X, D4, D700, D300, D300S, D2X, D2XS, D2HS, D200, D5000, D5100, D5200, D3100, D3200, D7000, D90 and D800 DSLR Cameras Update Rate: Once per second GPS Accuracy: 10m/33 ft. Operating Temperature: 0°C-40°C/32°F-104°F Accessories: Remote Cable (included) Dimensions (LxHxD) (Main unit only): 1.8 x 1.3 x 0.5" (46 x 33 x 13mm) Weight (Main unit only): 0.6 oz (15g) What"s in the box ~ GPN-1 GPS Receiver Unit ~ Connecting Cables ~ Remote Release Cord ~ Carrying Strap ~ User Guide ~ 1 Year Warranty