1. Lanyard: made of high-strength nylon fiber, durable and tensile strength, has a wide range of uses in a variety of outdoor activities
2. Dial: the panel is made of PVC, durable and clear printing, able to maintain stable performance in a variety of harsh environments
3. Shell: ABS material, lightweight, easy to carry and use, with good impact resistance and abrasion resistance
4. Whistle: made of ABS material, with higher durability, good sound conduction, clear and long-lasting sound quality
5. Comes with a compass to help quickly grasp the current direction
6. Compact size, does not take up space, portable to use
7. Hanging ring design, out of outdoor travel, adventure convenient to carry
8. Size: about 6.3 x 3 x 1cm
9. Weight: about 9g