Precise pocket compass with powerful Alnico V magnets and polished sapphire jewel bearing * Azimuth and vertical angle +/- 90 percent readings are accurate to +/- 1/2 degree * It can be used for short and long sights durable, waterproof cast-aluminum body * Includes leather carrying case and precision-aligned mirror 1-year warranty * It has a durable, waterproof cast-aluminum body * It comes with one year warranty