A compact mirror compass in a durable acrylic housing with adjustable declination and global needle for worldwide use. Protective housing Sighting mirror Luminous markings Rotating bezel Dimensions: 1.75″ x 4.5″ x 0.75″(open) 1.75″ x 2.5″ x 0.75″(closed) Weight: 2.1 oz. click here to learn more