Special Features:

Large, sunlight-readable, four-level grayscale display with bright led backlight makes it easy to find your way, day or night; upt to 28 hours of battery life for more hours of outdoor enjoyment; both serial and usb connections for a fast and versatile connection to your computer

Properties:

A fixed number of components and/or items, not all having the same basic name, of a ground or airborne navigation set that acquires and tracks signals from a constellation of orbital satellites to obtain time and three-dimensional position and velocity directly or in conjunction with sub systems of the host vehicle. Excludes stand alone navigation systems, such as inertial navigation set.