DURABLE: With aluminium alloy case and aluminium dial plate, this clinometer is against impact, water and corrosion - can be used for lifetime.
MALL AND PORTABLE : Altimeter size is 3.01 x 2.13 x 0.55 inch(L*W*H), dial diameter is 1.5inch, weight 106g/ 0.23lb. Equipped with exquisite nylon bag, easy to store and custody.
ACCURACY: The scale dial is filled with a liquid which guarantee that all parts run smoothly and stop quickly. The liquid will not freeze or evaporate, retains full damping properties in all working conditions and eliminates scale vibrations.
MULTI-PURPOSE: Suitable for travel, adventure, map positioning, military equipment, gifts and so on.