Description High Quality and Easy to CarryEmergency whistle is made of ABS, high strength, drop-resistant and heat-resistant engineering material, lightweight and fail-safe, beautiful whistle works well in any conditions with excellent airflow design. This survival whistle comes with a long enough lanyard, which can be attached to your backpack, belt or neck Innovative DesignEmergency survival whistle adopts 7-in-1 multi-functional design; it is detachable and assembled; when not in use, it is a whole for easy carrying and storage; when in use, you can quickly take out the necessary parts; it consists of whistle, compass, thermometer, light, magnifying glass, reflector mirror, closed storage space; the lanyard makes you wear it around your neck/wrist/backpack Effective SolutionEmergency survival whistle is absolutely a useful assistant for outdoor; the whistle can send a helping signal in an emergency; the compass can guide you when you are lost; the thermometer accurately shows the situation of the surrounding area; you can use the magnifying glass to make a fire; you can use the light in the dark; when the rescue team comes, the reflective mirror can help you quickly mark your position; you can keep a survival letter with personal information in the locked storage space. Wide range of applicationsAnyone who is interested in adventures, hiking or camping events needs this 7-in-1 outdoor multifunctional safety whistle as birthday gifts for men, husband, father or friends of the boy scouts and to prepare for the next boy scout march and improve outdoor skills