[Multi-functional Design]This outdoor survival whistle is made of high-strength, impact-resistant, heat-resistant, and ABS engineering material, ensuring durability. It includes 7 functions such as a high-decibel survival whistle, LED signal flashlight, emergency fire magnifying glass, waterproof emergency information storage compartment, reflector signal mirror, compass, and fahrenheit thermometer, making it a versatile survival tool. [Distress Signal Transmission] The survival whistle, LED light, reflector mirror, and magnifying glass can send distress signals through sound, light, smoke, and fire, helping users attract attention in emergency situations. [Emergency support]The sealed compartment is designed to store personal information, such as name, age, blood type, emergency contacts, as well as special medical needs [Widely used]This product is ideal for outdoor adventures, camping, hiking, fishing, boating, skiing, and wilderness survival. It can also be used for teaching aids for safety awareness training and daily emergencies, such as vehicle breakdowns or lost, helping attract attention and assistance. Functions: Survival whistle, compass, thermometer, signal mirror, magnifying glass, flashlight, sealed compartment Colour:Green Material:ABS Package Contents: 5 x Whistle Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.