7-in-1 multifunctional emergency whistle,outdoor survival whistle with compass,thermometer,magnifying glass and lanyard,built-in LED light,suitable for hiking,camping,safety rescue training

Fully functional: On the basis of the whistle, it is equipped with a compass, thermometer, magnifying glass, LED lights, and storage box. High performance rescue whistle: Crafted with high-strength and wear-resistant ABS plastic, it endows the whistle body with excellent impact resistance and wear resistance. Even if used in harsh outdoor environments for a long time, it can effectively resist scratches and aging, and remain fresh over time. Storage room design: It can store life-saving notes with names, addresses, phone numbers, and blood types written on them. Convenient to carry: The compact and lightweight whistle with a lanyard can be carried around, making it an essential safety equipment for outdoor travel, mountaineering exploration, fieldwork, emergency shelter, and team evacuation. In addition to its life-saving function, it is also suitable for various sports events and is a powerful tool for coaches and referees; Meanwhile, it is also widely applicable for behavioral training of animals such as dogs and birds.