Data Logger: Lat, Long, Time, Speed, and Heading recorded at 0.5 Hz (once every 2s), 30hr capacity. Data download is compatible with Mac OS X 10.6 and Windows
Batteries: 3 x AA 20+ hr endurance, rechargeable or disposable
Dimensions: 120mm x 175mm x 40mm / 4.72” x 6.89” x 1.57”
Weight Including Batteries: 448g / 0.99lb
Bracket Compatibility: Velocitek ProStart Mast Bracket or any Tacktick Micro Compass bracket.