Compass with Lanyard For Tactical Survival Military,Waterproof Impact Resistant Lensatic Sighting Compass for Hiking Selling Points: Accurate measurement of directions Optical reading of card for higher accuracy Thermo-elastic liquid-filled housing with floating dial Scale: Azimuth 360°, Reversed 360° High-resolution rotating bezel ring Threads for a tripod mount for stable operation Built-in bubble level Sighting lines on the cover Durable and sturdy outer body casing for rough handling Extreme weather condition usability Conversion chart for angle, gradient & distance on the backplate