"Boasting a compact design, the Silva Guide 2.0 Compass is ideal for your out-in-the-wild adventures. Illuminated for easy reading in any light conditions. Inch measuring scales as well as 1:24,000 and 1:62,500 map scales. 3.5""L x 2.2""W x 0.7""H. Weight: 3.8 oz.Manufacturer model #: 544910. Compact Illuminated design Inch measuring scales 1:24,000 and 1:62,500 map scales"