TrackIR 5 Basic with Vector Clip for hat--

three times the resolution of TrackIR 4 Larger field of view New image processing design for more accurate, smoother tracking Improved sunlight filtering Detachable base to improve durability Completely new software with more options, and a much more user friendly interface (software will work with TrackIR 3 with Vector, TrackIR 4, and TrackIR 5) Head Position Tracked 6 Axes (6 DOF) 6 Axes (6 DOF) Horizontal Field of View 46° 51.7°NOW Sample Rate (FPS) 120 120 Raw Sensor Resolution 355 x 288 * 640 x 480 NOW Sub-pixel Resolution 1/20th pixel 1/150th pixel Reporting Range 7,100 x 5,760 96,000 x 72,000 NOW Resolution/Horizontal Field of View Degree 154 subpixels/degree 1850 subpixels/degree NOW View Resolution Comparison Video Unit Size (without base) 0.5" deep 1.7" wide 1.1" high 0.57" deep NOW 2" wide 1.5" high Connection USB USB USB Cable Thickness 2.5 mm 2.5 mm