Promote Systems GPS Receiver GPS-N-90 for Nikon D90, D5000, D5100 and D7000 Cameras

Go where photography is headed with the Promote GPS! Now photographers can harness GPS technology to pinpoint the precise location from which a photograph is taken. Called "geotagging", this new technology embeds geographic information into a photograph along with the time and date stamp. The Promote GPS Receiver features the SiRF Star III chip, which excels at acquiring and maintaining a GPS signal lock. The GPS unit consumes less than 55mA from the camera, making it one of the most power-efficient GPS receivers available for Nikon D90 and D5000 (only) DSLR cameras. It will automatically power up and down along with camera exposure meter, allowing for further saving of the camera batterypower.