About this item: - Accurate Readings: This IP54 compass provides precise slope and direction measurements. Its lightweight 140g aluminum alloy case ensures easy handling, making it essential for hikers, surveyors, and outdoor enthusiasts. - Multiple Functions: Beyond slope and direction, it offers temperature readings, altitude measurements, and a fluorescent dial for nighttime use. Versatile for various outdoor activities. - Durability: Features a collapsible metal lid, floating dial with 360° scale, adjustable prism lens, and waterproof/shockproof construction. Built to withstand harsh conditions. - User-friendly Design: Slope measurement on the back for height and slope calculations. Clear displays and easy controls for operation in challenging environments. - Compact and Lightweight: Designed for hiking, camping, mountaineering, geology, or exploration. Easy to carry in pocket or backpack without extra burden.