Pentax O GPS2 Handy GPS Unit Astrotracer Simple Navigation Electronic Compass Simplified Weather Resistant Construction

〈GPS function〉The O-GPS2 mounts on the hotshoe of a compatible camera and records the latitude, longitude, altitude, universal time coordinated (UTC) and direction of the shooting location onto captured images. 〈ASTROTRACER〉When mounted on the corresponding PENTAX digital SLR cameras body, the O-GPS2 also offers the advanced ASTROTRACER function,** which couples the unit with the camera’s SR (Shake Reduction) system for the effortless tracing and photographing of celestial bodies. 〈Simple Navigation〉 The O-GPS2 offers a Simple Navigation function, which calculates the direction and distance to a given destination from the current position. 〈Electronic Compass〉 The O-GPS2 comes equipped with an Electronic Compass function, which displays the camera’s direction on its LCD monitor with great precision. 〈Simplified weather-resistant construction〉 It's for use in light rain 〈Independent power source (one AAA-size battery)〉 It's available to eliminate the need for power supply from the camera body