Response the data of slope and tilt fast and accurately. Reliable,durable, works well in different weather conditions. This compass is a perfect navigation tool for hunting, hiking and other outdoor activities. Adjustable Base - Allows you to adjust it for better view. smooth and high-end, just buy it as excellent gift for your family and friends. Specification: Material: ABS Plastic Size: Approx.65x56x80mm/2.56x2.20x3.15 inch Color: Black Package Includes: 1 Piece Navigation Compass Ball Note: Please allow 0.1-0.5 inch difference due to manual measurement.(1 inch=2.54cm) Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand,Thank you.