Garmin 010-01772-00 Foretrex 601, 2 inches

Durable, constructed to military standards (MIL STD 810G); night vision goggle compatible
Works with GPS, GLONASS and galileo satellite systems to provide accurate positioning
Know where you are with navigation sensors, including 3 axis Accelerometer, 3 axis compass and a Barometric altimeter; smart notifications¹ allow your Device to receive emails, texts and alerts