Davis 215 Illuminated Hand-Bearing Compass, 144 Artificial Horizon Bundle (2 items). The illuminated hand-bearing compass is a solid-state LED illumination system that floods the compass capsule and line of sight with soft light. The compass is lightweight and designed for easy transport. The illuminated hand-bearing compass is stable and liquid-cushioned and graduated in 5-degree segments. It has bold graduations every 15 degrees. Obtain a bearing simply by aligning the front and rear sights on an object and reading the bearing. The LED will last the life of the compass. The batteries, which are included, will last 10 times longer than a regular bulb. The 144 Artificial Horizon comes with two umbrellas, a cap, and complete directions. It answers the need of every sextant user who cannot depend on a natural marine horizon. Use for backyard practice and fog.