Silva Pocket compass is a small curvy compass with a thermometer and cardinal directions. With its small size and precise needle, this is the perfect compass to bring along your hike.This compass is not for advanced navigation but it is a great aid if you need to find the right direction or use it as a backup for a more advanced compass. It fits right in your pocket and comes with a carabiner hook for attachment as well as a thermometer to keep you aware of your environment's shiftings. Keep this compass in your pocket at all times and you'll be safe!