Silva Terra Expedition S Sustainable Compass Swimwear More efficient than other screen

More efficient than other screen types to help extend battery life

the air pocket created by the ear cups greatly improves hearing and auditory sense of direction underwater

Shoot photos or record video

and most effective at depths of 10ft to 60ft

Silva Terra Expedition S Sustainable Compass Swimwear More efficient than other screenThe Silva Terra Expedition S is your preferred choice if you need a mirror sighting compass with many features. It is high performing when it comes to accuracy, precision, and durability and is developed for experienced users and professionals. Silva Terra Expedition S features easy handling housing, silicon rubber feet for precision map work, detachable safety release scale lanyard, night enabling luminous markings, magnifying lens, map measuring