Unmatched Versatility- The 7-in-1 Safety Whistle sets 7 functions including Emergency Whistle, Compass, Thermometer, LED Signal Light, Magnifying Glass, Reflector and Sealed Warehouse with good playability (The uniquely designed miniature built-in storage bin can be used to store important personal information, allowing rescuers to grasp your situation at the first time) (NOTE: If you need help in an emergency, you can try whistling softly, which is louder than whistling at full force) The Perfect Gift- Anybody interested in adventures, hiking trips or camping events needs this 7-in-1 outdoor multifunctional safety whistle as birthdays best gifts for men, husband dad or boy scouts friends and preparation for the next Boy Scout March and improve outdoor skills High Quality & Easy to Carry- Emergency Whistle is made of ABS high strength, fall resistance and high temperature engineering material, lightweight and fail-safe nice whistle works well in any conditions with excellent airflow design. This survival whistle comes with a long enough lanyard, which can be tied to your backpack, belt or neck Wide Range of Uses- Whistles with lanyard to carry for life safety, cycling, skiing, camping, hiking, jogging, backpacking, hunting, archery, fishing, swimming, boating, kayaking, marine sporting events any kind of outdoor activities