This aluminum alloy compass is waterproof, shake-proof, and its interface glows in the dark when exposed to natural and other forms of light for an extended period of time. It navigates, orientates positions, locates direction, and measures slopes, angles and scales. The lensatic function increases the readings accuracy with a lens on the rear sight that magnifies the card dial. It also features a centimeter scale, an inch scale, and table measurement. A carrying bag is included.