Measures 3" x 2.1" x 1". Black metal case. Liquid filled. Features: sighting wire; luminous sighting dots; rear sight with lens and lighting slot; graduated straight edge; fixed index line; rotating bezel ring; and 1:25000 meter scales. Instruction sheet is included. Ideal to include in a survival bag. Weight: 3.39 oz. Hang packaged. These items are high performance survival products that are durable and functional.