The Brunton ComPro Pocket Transit Compass (0-90deg.) is a specially engineered analog navigation device built to resist magnetic interference and deliver accurate readings. This configuration of the Transit series uses a round rare-earth magnet to resist demagnetization and align with magnetic north better than other magnetic materials. The needle's reduced center of gravity is designed to minimize needle dip when used near Earth's magnetic poles. The molded composite compass housing is silicone sealed for waterproof performance and is compatible with Brunton's ball and socket tripod mount.