The easy-to-read, liquid-filled Map Compass is designed for clear map readings and comfort with a rounded baseplate and beveled edge. Weighing less than an ounce, compass can be packed or worn around the neck with a breakaway lanyard. Precise & Easy Map Reading – Designed for clear map reading Rounded Baseplate – Fits comfortably into your pocket or palm. Liquid Filled – Liquid-filled capsule for easy and accurate readings. Adjust for Declination – Fixed declination correction scale. Rotating Bezel – Align your readings with True North. Intended for use in the northern hemisphere. WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov. When using compass, keep away from all metal-containing objects as they can interfere with the magnetic needle.