Product Description: For advanced navigators, mountaineers ,explorers and rescue professionals Silvas Expedition series has been the long-time global leader in compass accuracy precision and durability and the Silva EXPEDITION 4 represents the essence of advanced outdoor navigation.Silvas Expedition 4 is packed with all the baseplate features needed to make it your reliable and essential outdoor instrument. It comes equipped with an easy-handling compass housing silicon rubber feet for precision map work. luminous marking for the all-important night navigation large magnifying lens GPS and map-measuring scales in mm or inches.Dedicated to producing high-quality compasses since 1933 the Silva Expedition 4 is a valuable piece of kit you will not want to forget when embarking on your next expedition adventure.Set Contains: compass, lanyard, user instructions. Visit our instagram site for more!