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Sun Company AltiTilt Dashboard Altimeter Inclinometer$87.99
Measure altitude, barometric pressure, and tilt angle all from your dashboard. Altimeter reads up to 15,000 ft (or 5,000 meters) and inclinometer reads tilt from -45° to 45°. Includes an extra set of hook-and-loop fasteners so that AltiTilt can easily be transferred between two vehicles.