The Brunton Truarc15 Mirror Compass is the reliable companion every outdoor enthusiast needs when venturing into unfamiliar territory. This compass is designed to provide accurate orientation in any environment. Its compact and lightweight design is perfect for those navigating rocky streams or dense woodlands. With a 4" x 2.5" x 0.6" dimension and weighing only 3.2 oz, this compass won't add unnecessary weight to your gear. While the technical specs and additional components may be unknown, what's certain is the Brunton Truarc15 Mirror Compass's ability to steer you in the right direction, no matter where your adventures take you.