Waterproof Portable Handheld Inclinometer Compass Camping Hiking Hunting Boating Survival Navigation Compass for Outdoor ActivitiesFeature:Professional high-strength compass with inclinometer to measure altitude and inclination. (Note: Due to the magnetic field, you cannot use multiple compasses, which will affect the accuracy.)The compass allows direct reading; The vertical line of Lubber (resolution 1 deg;) of the aiming optics improves its accuracy and reduces errors. Glowing magnetic arrows and compass cards allow data to be read in dark environments after absorbing enough sunlight for easy use at night. Professional high-strength compass, foldable metal cover, floating compass knob with 360 deg scale, adjustable prism lens, waterproof and shockproof. Capable of working in extreme weather conditions, it is suitable for camping, climbing, boating, exploring, hunting, hiking, geology and other outdoor activities. Specification:Material: Zinc Alloy Size: 100*67*33mm (folded), 205*67*25mm (unfolded)Note:Due to the different monitor and light effect, the actual color of the item may be slightly different from the color showed on the pictures. Please allow 1-2cm measurement deviation due to manual measurement. 1 * Compass